{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xff477420582706d4801bb9987a6cc99ebc2488b0094237317915581f1e9fe3b6",
    "signature": "0x3880f77d5751272ec7efdacc91313f8514abe22fa2303ec6b2a428dbc630fd5d0334ca6e0219c5c695a57182ea5099ddbebd8f4538dae9054d6b5caedacc35041b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}