{
  "manageEntity": {
    "action": "Save",
    "entityId": "1698273355",
    "entityType": "Track",
    "nonce": "0x6db2076840431cf7b44233069e6fed2365d06b9bc4c7cf8beaef2bf0278ea99d",
    "signature": "0x036c8507ca0fe7f8a7218bcffd36a7c4f40bdf13a8745860db4ede30c1e7e60c19d8e52f66bc22eff77e61ff02f9e19fe6f69d69c82a09cd8ea36036aa9308541c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}