{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x3804176a51c3bcabe1b3063ea1c9237586e94bfa0abe329e2e08c4ea678e242f",
    "signature": "0x797744684ca08c6c1c1dcb92c0af413a46d242d0a28fca1c7d43d3af935078dc4115861ae415c5fc5fb820ddf02fa3e693814a788d6c7de00400c5de88965a5c1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}