{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xe9efd65450231e1bdce9be1c896e547a7793bbcc7cfee6235cf089c36e8e1cd7",
    "signature": "0x1a4ea295c0ec2196e6d06078bddf66de9635ab4cf774a3e8a26b6f06c9b7c23070b187214c52cb0f8b029e4098b56c2717d16625a592155e95a0b90d003459ba1b",
    "signer": "0xAB6eE70d56A93cDF21a1ac81F2649F219A82e3c9",
    "userId": "985546444"
  }
}