diff --git a/Cargo.lock b/Cargo.lock
index c0af9ab..55e1899 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -584,7 +584,7 @@ dependencies = [
 
 [[package]]
 name = "substreams-antelope-tokens"
-version = "1.0.0"
+version = "1.0.1"
 dependencies = [
  "antelope",
  "prost",
diff --git a/Cargo.toml b/Cargo.toml
index 7e92dfa..b6f68c2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "substreams-antelope-tokens"
-version = "1.0.0"
+version = "1.0.1"
 authors = [
     "Denis <denis@pinax.network>",
     "Yaro <yaro@pinax.network>",
diff --git a/Makefile b/Makefile
index d659ca7..a691817 100644
--- a/Makefile
+++ b/Makefile
@@ -31,7 +31,11 @@ gui:
 
 .PHONY: parquet
 parquet:
-	substreams-sink-files run eos.substreams.pinax.network:443 substreams.yaml map_events s3://pinax/eos/48034848cd64dcd70f95e06de9ed5d1478d0133e?region=us-east-1 2: --encoder parquet
+	substreams-sink-files run eos.substreams.pinax.network:443 substreams.yaml map_events './out' 400000000: --encoder parquet
+
+.PHONY: s3
+s3:
+	substreams-sink-files run eos.substreams.pinax.network:443 substreams.yaml map_events 's3://pinax/eos/48034848cd64dcd70f95e06de9ed5d1478d0133e?region=us-east-1' 2: --encoder parquet
 
 .PHONY: schema
 schema:
diff --git a/proto/v1/eosio.token.proto b/proto/v1/eosio.token.proto
index c2fefbf..8e881a4 100644
--- a/proto/v1/eosio.token.proto
+++ b/proto/v1/eosio.token.proto
@@ -24,7 +24,7 @@ message Transfer {
   string trx_id = 5;
   uint32 index = 6; // Action execution_index
   uint32 action_ordinal = 7;
-  repeated string authorization = 8; // Vec<PermissionLevel> (ex: ["account@active"])
+  string authorization = 8; // Vec<PermissionLevel> (ex: ["account@active"])
 
   // contract & scope
   string contract = 10; // Name (ex: "eosio.token")
@@ -54,7 +54,7 @@ message Issue {
   string trx_id = 5;
   uint32 index = 6; // Action execution_index
   uint32 action_ordinal = 7;
-  repeated string authorization = 8; // Vec<PermissionLevel> (ex: ["account@active"])
+  string authorization = 8; // Vec<PermissionLevel> (ex: ["account@active"])
 
   // contract & scope
   string contract = 10; // Name (ex: "eosio.token")
@@ -83,7 +83,7 @@ message Retire {
   string trx_id = 5;
   uint32 index = 6; // Action execution_index
   uint32 action_ordinal = 7;
-  repeated string authorization = 8; // Vec<PermissionLevel> (ex: ["account@active"])
+  string authorization = 8; // Vec<PermissionLevel> (ex: ["account@active"])
 
   // contract & scope
   string contract = 10; // Name (ex: "eosio.token")
@@ -111,7 +111,7 @@ message Create {
   string trx_id = 5;
   uint32 index = 6; // Action execution_index
   uint32 action_ordinal = 7;
-  repeated string authorization = 8; // Vec<PermissionLevel> (ex: ["account@active"])
+  string authorization = 8; // Vec<PermissionLevel> (ex: ["account@active"])
 
   // contract & scope
   string contract = 10; // Name (ex: "eosio.token")
diff --git a/src/pb/antelope.eosio.token.v1.rs b/src/pb/antelope.eosio.token.v1.rs
index dfc78f8..ffa3f0b 100644
--- a/src/pb/antelope.eosio.token.v1.rs
+++ b/src/pb/antelope.eosio.token.v1.rs
@@ -37,8 +37,8 @@ pub struct Transfer {
     #[prost(uint32, tag="7")]
     pub action_ordinal: u32,
     /// Vec<PermissionLevel> (ex: \["account@active"\])
-    #[prost(string, repeated, tag="8")]
-    pub authorization: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+    #[prost(string, tag="8")]
+    pub authorization: ::prost::alloc::string::String,
     /// contract & scope
     ///
     /// Name (ex: "eosio.token")
@@ -88,8 +88,8 @@ pub struct Issue {
     #[prost(uint32, tag="7")]
     pub action_ordinal: u32,
     /// Vec<PermissionLevel> (ex: \["account@active"\])
-    #[prost(string, repeated, tag="8")]
-    pub authorization: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+    #[prost(string, tag="8")]
+    pub authorization: ::prost::alloc::string::String,
     /// contract & scope
     ///
     /// Name (ex: "eosio.token")
@@ -137,8 +137,8 @@ pub struct Retire {
     #[prost(uint32, tag="7")]
     pub action_ordinal: u32,
     /// Vec<PermissionLevel> (ex: \["account@active"\])
-    #[prost(string, repeated, tag="8")]
-    pub authorization: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+    #[prost(string, tag="8")]
+    pub authorization: ::prost::alloc::string::String,
     /// contract & scope
     ///
     /// Name (ex: "eosio.token")
@@ -184,8 +184,8 @@ pub struct Create {
     #[prost(uint32, tag="7")]
     pub action_ordinal: u32,
     /// Vec<PermissionLevel> (ex: \["account@active"\])
-    #[prost(string, repeated, tag="8")]
-    pub authorization: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+    #[prost(string, tag="8")]
+    pub authorization: ::prost::alloc::string::String,
     /// contract & scope
     ///
     /// Name (ex: "eosio.token")
diff --git a/src/utils.rs b/src/utils.rs
index b9eb3ee..885e505 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -1,4 +1,5 @@
 use antelope::{Asset, Name};
+use std::iter::Iterator;
 use substreams::pb::substreams::Clock;
 use substreams_antelope::pb::PermissionLevel;
 
@@ -23,11 +24,12 @@ pub fn to_date(clock: &Clock) -> String {
         .to_string()
 }
 
-pub fn authorization_to_string(authorization: &Vec<PermissionLevel>) -> Vec<String> {
+pub fn authorization_to_string(authorization: &Vec<PermissionLevel>) -> String {
     authorization
         .iter()
         .map(|a| format!("{}@{}", a.actor, a.permission))
-        .collect()
+        .collect::<Vec<String>>()
+        .join(",")
 }
 
 pub fn parse_json_asset(data_json: &str, key: &str) -> Option<Asset> {
diff --git a/substreams.yaml b/substreams.yaml
index b211b6d..9dea090 100644
--- a/substreams.yaml
+++ b/substreams.yaml
@@ -1,7 +1,7 @@
 specVersion: v0.1.0
 package:
   name: antelope_tokens
-  version: v1.0.0
+  version: v1.0.1
   url: https://github.com/pinax-network/substreams-antelope-tokens
 
 imports: