{
  "manageEntity": {
    "action": "Save",
    "entityId": "1651596062",
    "entityType": "Track",
    "nonce": "0xae161fa94f503932b62c3d3de27fb92e856631f4286e1f94b280cdcc94baadc9",
    "signature": "0x96e99c0e73b51b9fef8b44f707fc95c06ddb0a9fd9f7697e5b8c375e58f14ea52dc3219c15326d4a943e95d4d1d07a490a533dccb86c705f74dece765d680b091b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}