{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0xebaa1871ecd937035a59d613e3ce249be18b0113e63f788c7177de437593967e",
    "signature": "0xd5f37077e31f2acfc102dd2018419c7c7a41197fc71ed46aa7c9e20027cac0e844ab7759fb8bbe057e9a82fbc0f876f822410a9ac938a2e6c952909e94a9253e1b",
    "signer": "0xD06A00B950F1f08B348e3cEf0B75Da0010adF313",
    "userId": "238712"
  }
}