{
"manageEntity": {
"action": "Save",
"entityId": "1789486073",
"entityType": "Track",
"nonce": "1792447101490360675",
"signature": "0xbd8dd3e6078d58571914a33a8ea3d073fa6ccefc014e3646a209e0416e26adc150b543ffafd1a2df29332dc7451a4950e3e7291ee18bfc703e810f17cb6756cf1c",
"signer": "0x23dF8876fD80368D375d911e3CbDFd15B8e85CB5",
"userId": "827420993"
}
}