{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xa1668400f82fde5984799a985c29fddced17b059e3ab9f1a4d1aab73f1c15a44",
    "signature": "0x8acd49dbd521b49bacb3757222335ddbba7e33aad45ffb8503185faba15902275ae32b533fa9ffa8353611992889087773cca6efd9f51664bcc55b83c997e2451b",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}