{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x2fa6a8e8cfebce7ec7207b532291d9f085fb767749c0c87b8bfe82a7762b4e30",
    "signature": "0x53deaf5c3fe702144fa6da50fe94bf17ad5b4098cdc2edbcbb65b6ff3a5d62ca179e98138cf1bafeff789e8ff1f4967ab907874cfa8a08878ebff4f9c97a6c6a1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}