{
  "manageEntity": {
    "action": "Save",
    "entityId": "92569",
    "entityType": "Track",
    "nonce": "0xdf5c80426ce0dec792a6f68c1e5e364fe391aa4dfe2a9313442d5f0a4b6e58eb",
    "signature": "0xfb3228cd0366e8e6a7ecb88dee7693e28b6e16bf543dc24114688d964602ba3d1807acfa93eb16be164956aa8e807ebed096ade4728bfd492dfe31f11444b3a11b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}