{
  "manageEntity": {
    "action": "Save",
    "entityId": "1675266630",
    "entityType": "Track",
    "nonce": "0x24648048f0b203f7a1e72874f0e9d7262896daf538dc82f57458812846509ee4",
    "signature": "0x759399aabf7184b2f3aa4105b3c77327da0713fc14f39552155fc91866f62e2e68d47a6f5a3679c756788d17d3d7d9228f89eaf0cc0829da2c761ac80304beee1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}