{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "14740",
    "entityType": "User",
    "nonce": "0x8d035fc2c69a60affd69fa538a3266341857c82733f159e51b14c9797fbc198c",
    "signature": "0xdcee47a6d48b659d8903b766a50d630216fb66c98a740697cf49bd98652a63625cbcbd84e6d607a7451ef85f1e4eeccdc41a2edd6971f48404a92f241381c55d1c",
    "signer": "0xba960A2A2d8f4427Fae40C7DB0030b14F9C77419",
    "userId": "10119"
  }
}