{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "782362",
    "entityType": "User",
    "nonce": "0xe6b866d4095aef258fec1fe7d4b4f24eff217ead2da51afd7488cbc5006324e8",
    "signature": "0x2e48f751b8823c7bcc461c0bbeba92a21139706af23c2f328e428126596ebbd65837d005399d1b0395f5bb4319629cf9494f51945f0b97914b4ccc39ec1cea311c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}