{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88249",
    "entityType": "User",
    "nonce": "0x2153a3a30c8684af6ff34ea6d37dd3274792568f78a5e75157af9eed63c47c63",
    "signature": "0x88f2ee608f4df560e9cb28bd4a54455c315b826abfb437f0956922761ca882ea1efe93bd039e093b9b87acd0c29f64a46af23eb284f6eca47f74a9d5c8a808541c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}