{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2b17325e6635abdef4ee6960f31f2f7ef7224f1582b63f52c82c1aea59d70eaf",
    "signature": "0x861fab4aaf74d2661bb059721bae3517a7ecfecabf0ab5ba6df0d40e02d32ab22db398b4c453ce5744f053c48255d8d3191c1cf62439732fe12cf4997bda06471c",
    "signer": "0x47F729982F143fd335C10Ab70d91C11EeD941c8d",
    "userId": "203282654"
  }
}