{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8819",
    "entityType": "User",
    "nonce": "0x11ef710a2fe1eadccaff9694131d67b1480730dd15dbc93b1ddd0e1d634321cd",
    "signature": "0x003b75293ce91892dcd8810784da67b07f55d766df6e1499c6e0bc2aa830b3d817dae934341c81ff71e989c05fb2c2367a5447241e179b785af2169adfde46a91c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}