{
"manageEntity": {
"action": "Save",
"entityId": "2143863016",
"entityType": "Track",
"nonce": "0xd47d1408410cdbc3e84d1fa5f26fafe9ae6be1bb3e235ca5bfe5133d8a477b6b",
"signature": "0x3ec3dbc4150a930d74d60ba397e04d4a734b511f5fcfb18e785c1a13e5f0e3306f3863328ff3a013c07a57c32d1b8e8a4648c2390c17473927394000153b7fa01b",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}