{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x5abd93c4ca9c6822d357b43dc028f4f021efbcd9f319d63fd002d7e79d51ed70",
    "signature": "0xc60e4c4549d08de17d1f11bb9fb4c03ff1d496c8604b52af7c33a2a2a40949e70afdce04178adca59eb856f1b1737304f5749dbfaa7b49e1016390688314078e1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}