{
  "manageEntity": {
    "action": "Save",
    "entityId": "794158615",
    "entityType": "Track",
    "nonce": "0xd5f097080fbdf0a51f080d377328c3894a2b8424e3342eb92c71db9771fa49b9",
    "signature": "0x14d9573ea0b885c690241139c40d54fb3f0d68c244ad11f14b0939c34af439b17622ec566a74ba809166936d3d8cc96549bf20eb5d6691c5d3d112893c667e741b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}