{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x64583c2b595c31b374fac94ee2f4976e272961641116c84acf42ddf94a4dca77",
    "signature": "0x187b5fa806b96a8769b7d789b707ec9ee735dbda2578053a48fb3920d81bdccf1d6dbe919e1006cc0cbe7e6546a8fccac71edb14652a4c8ca6ca531ed61582d91b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}