{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86128800",
    "entityType": "User",
    "nonce": "0xf48c03d5d919a52e7ba9ec5219872e2ef9b5844fabf0adb586e1dfdf8517eb06",
    "signature": "0xe12460a19005a603b79183edc38b08d35886cb96c66a40bd55f3b6eea72fa98e5b1b2762566c42a1e9af44e4458ec9d451e10adf2d458b3faebaad27b1ff23631b",
    "signer": "0x9b6bD4505e2bCfA88acc8680F463a96DAddf1d0d",
    "userId": "213208842"
  }
}