{
"manageEntity": {
"action": "Save",
"entityId": "1039861196",
"entityType": "Track",
"nonce": "0xac02eefc9d71b78093eebf17a1ba478c3df0dca818e43c1229ba3509d8d43654",
"signature": "0xa3f013eb2a02ee48198ae5b24f317c737b15b3270f55f04e2917cda86032b6930a6779ea4098832165e8d1c8bc82b74d0220b1fa32ca76713f84af44f9469e501b",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}