{
  "manageEntity": {
    "action": "Save",
    "entityId": "2060793238",
    "entityType": "Track",
    "nonce": "0x62480f4d076604ad530df4b0da3444d7fdc86402ffc35afe40059bf63f1d7877",
    "signature": "0x4fa9baffead3aea37dc761d430e62cef3d1b8e2e57d7161ebd9da1b8e5d3a7dd4a7d8a87ae572dd335e0381d64fba8df6b6aedff9272e37867a1a77a686f150c1b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}