{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x1e75256c4641dcda8f6ba01edb8dbf6d1cba93c4bce4987f08f32723b85ed603",
    "signature": "0x505c2642e33c1495b52a544903219247b67ac47a3f06401b791def4fec7b7bfb0cbe4c82d48892cd7f20a995487cc44c8444f54c88eb0dfbea69ce13176820751c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}