{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232240251",
    "entityType": "User",
    "nonce": "0xfa308e7920a2c4c5faebacfe181a90a782947370adec4d35a7c750867944a762",
    "signature": "0xadb82fb92d743cae9b8b03574a07a7c95b25114e8f5052293320e6ec30624f270756678a64b69ea31d7c5f6322486f7d439a1495d89be2c0488f889f6ad01c111c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}