{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101284977",
    "entityType": "User",
    "nonce": "0x716104c138dacdb7cc68fadbd9613769dcc57abd319604d32916b94cbe664d20",
    "signature": "0xdc74a31eddd22e97df91d236f1f5c048930d14bb96743a6f96a9319d7a58065006c183b7b7b67faec36b9165e7cc0fb3bae185fd32ade9a3930813cca7f2cbd01c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}