{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x3869522e81a9d60c79df1f4cf638c807d987525e3b13de8c6ed62b9696ee7d21",
    "signature": "0x219eb1dcc0e5d833a10b071acf5b8c475e47bc92d6d11507287d955ad41ca26672587b64d8d03ee78ab242c9a7a36a0554aa584fd762ff92af67c01a5a0e60e81c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}