The "JSON" strings exchanged between the various systems in the simulator are not valid JSON strings. Consider implementing a simulator with valid JSON.
Details
Valid JSON uses double-quotes " instead of single-quotes '.
Valid JSON specifies integers as unpadded integers, so 0000 is invalid. 0 is valid.
Summary
The "JSON" strings exchanged between the various systems in the simulator are not valid JSON strings. Consider implementing a simulator with valid JSON.
Details
"
instead of single-quotes'
.0000
is invalid.0
is valid.