{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xdf3a34016623b8c0f1014f981171ef0f8c3016f3fa1ac04132176cdf7d008277",
    "signature": "0x4c46fd9ccd8a8f52ecf84d1046c126b6ddfe3dc0c54dcad9f80ec219d274d84b7dc56d6aaa6b31cc9af71573b78f7822e87dcd455e0bd247463b246f9ddcc5c81b",
    "signer": "0xD7802a66Ed086bbc392702454BfD14ed84290503",
    "userId": "960393016"
  }
}