{
  "manageEntity": {
    "action": "Save",
    "entityId": "80022",
    "entityType": "Track",
    "nonce": "0xde8ee8b6c980612d533f1c0fa6f59a33aaf6724638c5376a1e38994e993b4856",
    "signature": "0x849d65e27afc0b122bfa2de0489e1acac68828c515422a3c0d009a297c4d5a8e4abc6e117fd9a5bd3b6dd77f2b962d53758f1e2d644072bce4bf6989329ae5401b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}