{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "711459379",
    "entityType": "User",
    "nonce": "0x35042415dd4fb532356ced814e0be6a2f6fddb254e315b69c43e9c1b9c0e2922",
    "signature": "0x18c618c70c2fb69c97c54531669076a0aac3a094e6ce9f646f4bb65c494726d337dc53091f49c4cce835dbc968a1b30a6ba8bf63365dca20ee8fcae90ab966e21c",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}