{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "838777725",
    "entityType": "User",
    "nonce": "0x676c7fcf750d0bbb0d4738a9054165ed2afb2c29e91461ed177b63a757c744a1",
    "signature": "0x85df0cef5814e625ada773b36a1875daed8a2b0e226924eb6c7a171359aca7bc139127bddc5cc8a230a3b1564f52139ae6ec8f30cb181ec515c9f44ea27ea04f1c",
    "signer": "0x262FfE6368E86674bFd32404757f3A8B1a189F85",
    "userId": "664900058"
  }
}