{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf5c79124ae1ebfd2d9a23ce424b28fa10e8a84881b46d3099353fed6aca8177d",
    "signature": "0x0365a4fc2c1fae2f3442f6c0904608d47f3359ec72310364479daae6c3b62b36172acc6ac004ba0df86c48301b83ef546c4110ba3bd969755f267fd33117e8151c",
    "signer": "0x7907d383F4014cbF03A1adDc700F44eB3ae99E7b",
    "userId": "205859716"
  }
}