{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x041d910ff052cb57405a15c8b55485f87f16b9c6be80e0646205d211e2c3f2c6",
    "signature": "0x16f82a747695df1d4bd07cfcd02817abcd76a9f61f07dac101b798b84cfbcc073e97cca462e085299890ed24aa5e82ae270ec7d47f280c8d3698743014accfb91c",
    "signer": "0x82B68483dc7868a09e69ceC5b08AC29DC11666F5",
    "userId": "475953882"
  }
}