{
  "manageEntity": {
    "action": "Save",
    "entityId": "94869669",
    "entityType": "Track",
    "nonce": "0xcf8f89945ba812bdc42da6eb4fbbdd1bb2c9b69b2b34e2099272396a141ff206",
    "signature": "0x27592dc2d45e2b62d65f5f1d997b992970d1ca3746df809f50281a3e39a1d7cf29362efdf5be9b281fe868d5d204241e070551c9b482769e2ff61140a4d628aa1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}