{
"manageEntity": {
"action": "Save",
"entityId": "1333577457",
"entityType": "Track",
"nonce": "0x10caf14d19e09712aec23206277c972413d18842febba740db7e5b0f72bdfeb1",
"signature": "0x4d6df02c07e6b1633ca751e3354eb60259b5c95abd9d98cd70164e1de2a8f73e6458734187648d9422ca4d90add54498da711fe8933a33d6d0dc6410a99531d81c",
"signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
"userId": "714646433"
}
}