diff --git a/tangem-sdk-core/src/main/java/com/tangem/common/SuccessResponse.kt b/tangem-sdk-core/src/main/java/com/tangem/common/SuccessResponse.kt
index 001344fa..f7c142b9 100644
--- a/tangem-sdk-core/src/main/java/com/tangem/common/SuccessResponse.kt
+++ b/tangem-sdk-core/src/main/java/com/tangem/common/SuccessResponse.kt
@@ -1,7 +1,11 @@
 package com.tangem.common
 
+import com.squareup.moshi.Json
 import com.squareup.moshi.JsonClass
 import com.tangem.operations.CommandResponse
 
 @JsonClass(generateAdapter = true)
-data class SuccessResponse(val cardId: String) : CommandResponse
+data class SuccessResponse(
+    @Json(name = "cardId")
+    val cardId: String,
+) : CommandResponse
diff --git a/tangem-sdk-core/src/main/java/com/tangem/common/UserCode.kt b/tangem-sdk-core/src/main/java/com/tangem/common/UserCode.kt
index a2844f33..c688428b 100644
--- a/tangem-sdk-core/src/main/java/com/tangem/common/UserCode.kt
+++ b/tangem-sdk-core/src/main/java/com/tangem/common/UserCode.kt
@@ -1,12 +1,15 @@
 package com.tangem.common
 
+import com.squareup.moshi.Json
 import com.squareup.moshi.JsonClass
 import com.tangem.common.core.SessionEnvironment
 import com.tangem.common.extensions.calculateSha256
 
 @JsonClass(generateAdapter = true)
 class UserCode constructor(
+    @Json(name = "type")
     val type: UserCodeType,
+    @Json(name = "value")
     val value: ByteArray?,
 ) {
     constructor(type: UserCodeType) : this(type, type.defaultValue)
@@ -19,8 +22,12 @@ class UserCode constructor(
     }
 }
 
+@JsonClass(generateAdapter = false)
 enum class UserCodeType(val defaultValue: String) {
+    @Json(name = "AccessCode")
     AccessCode(UserCode.DefaultAccessCode),
+
+    @Json(name = "Passcode")
     Passcode(UserCode.DefaultPasscode),
     ;
 
diff --git a/tangem-sdk-core/src/main/java/com/tangem/common/json/JSONRPC.kt b/tangem-sdk-core/src/main/java/com/tangem/common/json/JSONRPC.kt
index 52532bce..421f112b 100644
--- a/tangem-sdk-core/src/main/java/com/tangem/common/json/JSONRPC.kt
+++ b/tangem-sdk-core/src/main/java/com/tangem/common/json/JSONRPC.kt
@@ -1,5 +1,6 @@
 package com.tangem.common.json
 
+import com.squareup.moshi.Json
 import com.squareup.moshi.JsonClass
 import com.tangem.common.core.TangemError
 
@@ -55,18 +56,31 @@ class JSONRPCRequest constructor(
 
 @JsonClass(generateAdapter = true)
 data class JSONRPCResponse(
+    @Json(name = "result")
     val result: Any?,
+    @Json(name = "error")
     val error: JSONRPCError?,
+    @Json(name = "id")
     val id: Int? = null,
+    @Json(name = "jsonrpc")
     val jsonrpc: String = "2.0",
 ) : JSONStringConvertible
 
-data class ErrorData(val code: Int, val message: String)
+@JsonClass(generateAdapter = true)
+data class ErrorData(
+    @Json(name = "code")
+    val code: Int,
+    @Json(name = "message")
+    val message: String,
+)
 
 @JsonClass(generateAdapter = true)
 class JSONRPCError constructor(
+    @Json(name = "code")
     val code: Int,
+    @Json(name = "message")
     val message: String,
+    @Json(name = "data")
     val data: ErrorData? = null,
 ) : JSONStringConvertible {