{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "606722986",
    "entityType": "User",
    "nonce": "0x97755216c41e4d3b05fd23667ccb788594e184dde14b7100d56dd0a077eadd1e",
    "signature": "0x87f0ef9adcddb87c632f417b9d901ba6d8922eb5b6df992623b4b4fcf81aeb6e0ce7666ec52e06e0f802143c6ca7fff2f292b2949473848cbb27c8f77da92c8f1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}