{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "467213409",
    "entityType": "User",
    "nonce": "0x94ebe363be1a7f6adeb463262b3ffb1366fde505d300b53f56f42b784b7fc0d4",
    "signature": "0x6e2ca6305f038931525b50f656a16a173ca02066b35f36a3308fc8787201f4fc3b97082024cabc0fd41366c0d946a3dde724577c6b7af94a7a11051e1d4ef0a71c",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}