{
  "manageEntity": {
    "action": "Save",
    "entityId": "170059",
    "entityType": "Track",
    "nonce": "0xe5f62cc1521f6ea9c5359f29c00570b0dc5a97135232adf70de34fa6dae7054b",
    "signature": "0xf9cd7fce6cb443b9b8ef0a98d3d198594b0a38fe86bb5422a4f178a3b50ce0b53e81256a9f33ce5fdf82eeadbbd16cf36f7e3b021938ce6bb4e8854b2e1036d01c",
    "signer": "0x06F989586c5477333A41f6057f224Df79903862a",
    "userId": "24240642"
  }
}