{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68563",
    "entityType": "User",
    "nonce": "0x63234a5c7b30d4d9ab7b9ffae91173bf27566a8a87e467b53fd9fb81dce2ace2",
    "signature": "0xb4c8350ca5285af78e118534fe8f3f68fa3a49b4d21a9ea1ad61df92110db1f1286562eed03a4f74d9a3fedf13f4e83b9268d695a50fbe6b1577fd194f752fe21b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}