{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x59f1b6698533ff81b542177b1be2a436a8da087f7df70babe7011fd496d96d06",
    "signature": "0xab11670b54d1ec18f8db2f7eb3f8e8f76937a5c83189f1d6e3df308ef0e30ad51d879f7b505dbd7160167c3caaa8544be10567eccb8444284307af6566bff1cf1c",
    "signer": "0x7B499405130cFEFBBaec9980A9E37BBE42E8589D",
    "userId": "633494619"
  }
}