{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "695524756",
    "entityType": "User",
    "nonce": "0xf34c39f00b50de8d2f27bc06a2ef48266de5d0c8ecf9dce6bc14a3c8752ca6a7",
    "signature": "0x1f8008ab24458b4a6fc568a7f10e612d589c39889808fa5751cfa9962323341a78b7cf6e28f63116ea74cb3b75f1672ba68b6d1583f9380f80f32f6ac26493cf1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}