{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0xbb8ab7231ecf5c81db2e76e5183d5860002f04bfc2bf70a8f1bcf5d3d435f305",
    "signature": "0x97cf50d044413b02bad3d0d5180a1784d9ce6e607227ff0ca587ad440cd931153ede59e484d2dbf72bf25b59f5e49521a8e33ced9b0c45252a02e60b6c35d64e1b",
    "signer": "0x87e4380306024d22309CBb70efB443AC8aE372Fa",
    "userId": "308100838"
  }
}