{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66005",
    "entityType": "User",
    "nonce": "0x012751b70cac6bda919334ed2518ea689aeaf6953fa0080480190f3b1dc8bf6a",
    "signature": "0xcfd4924b30d2fed39032d9fcf2a4a2f57693b05a2aba79675ebda5cd6dd4a66b55bc8c2472178af4acf665a297be196c0de1205d7f215bc80bc6410b5c1876951b",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}