flow-c1 json output not produced for transaction result

[vishalchangrani]

Problem

flow-c1 transaction get doesn't produce any output when the -o json option is included.

Steps to Reproduce

flow-c1 transactions get bfaf924f2c01ccd0fba40a0bb7d6fbd0f900169e454e38da218843505a41ed69 -o json -n testnet produces no output
but,
flow-c1 transactions get bfaf924f2c01ccd0fba40a0bb7d6fbd0f900169e454e38da218843505a41ed69 -n testnet
works.

Acceptance Criteria

The -o json should produce a json output.

Context

This was flagged by Binance.