{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105826",
    "entityType": "User",
    "nonce": "0xd14979ac4fd6bea6a5438979c92e2ffa818eefac7f3e4ff3f66464d15ebaadea",
    "signature": "0x48f0eeabb999d0454ad7c817cb1342e96c0d4c6b9dc5acb84eb5bebc9c83395a04757f974bb1832feef7ed01797e9af27539580d984362056d51b386a1d0e8221b",
    "signer": "0xA4a5081C88501f27b776C572c4b37e815E6c3A7D",
    "userId": "849530"
  }
}