{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x8513a107f01796b4a8e25aa32c6c6a603c26d88007b9fba1fe6a25e220e0a477",
    "signature": "0x18a668efa46b42d9c95f6d30cab551109e6e09e478c6831f5ade389d1226668b6d8bcd87f046c8e191ef540c4b9cef5a3cb1bf92c621a610c4dd18d5a1bc9a341b",
    "signer": "0x5dDb7514dB99Cb75E7051C637989A70F1B49843C",
    "userId": "239704741"
  }
}