{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311584",
    "entityType": "User",
    "nonce": "0xeb4580960661d69bc0513ba326e8660636b2cea4d9990eff54f17cdcd1d3fc06",
    "signature": "0xb01e8d744f97f84a449b81fd493b2aea24dcd798c138ea709f4f3382b6c76c071d6cb9217c4e0d9cd6d80e71010dbb9b5a141009500ac5cbf58d30d091263bd61b",
    "signer": "0x3fB3464202dCA960F65e2706E5749EaFc41e4b48",
    "userId": "826685732"
  }
}