{
  "manageEntity": {
    "action": "Save",
    "entityId": "276053",
    "entityType": "Track",
    "nonce": "0xe8b0fb0519d5078e9fb662487ea9d4534112a321266830812e9669855ca987cb",
    "signature": "0x14f65c853eb5513c644ef1a75a75eba187e3aa3725dcbf0dc8a87778c8ab624c1ba3cf265096dc8c6b7c80002b24bb62e38c3c3f8dee1f73b609da02924c0f7e1b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}