{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x2aed14a1385c54b693e184ff409e856f7e700f3dad1b3c671feded2a53d846e0",
    "signature": "0xa2723fec878f11ef94e6dc6331b3642078466a5091b60598372c032747c4046f410b94d6db8c44868aa0b1fd748791f45bf8063ea01a766e35563965c0e9f68b1c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}