{
"manageEntity": {
"action": "Save",
"entityId": "2053857502",
"entityType": "Track",
"nonce": "0x0a14e978eabe0ed4ca4dd43d40415a048f41af38f6fe1e7d905b65cd2827d588",
"signature": "0x6b37105cae713cf5e14b99365d7b94dd252239eb5112420482f50d35f4eb06f03e741c4ba0acb4ee5d8be5cc096aabb1e3a1f1cc117527024f7a71324f9f7c071b",
"signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
"userId": "714646433"
}
}