{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2114bb2b0b5e126b5b947b20e01f64e636e81948eac70ec628584425716ed4f9",
    "signature": "0xc50e45f916807bcf04e48551c8d8fbbe22da987fdabf07745bb81eb7746048fa323f8d98e5797ccbde97cd25de208e6e09c4b484cd9880cfb8b9099df5cdfb691b",
    "signer": "0x2C5Fb82Dc50d50e897e4954a941Bb8234A68Bb15",
    "userId": "881563266"
  }
}