{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "566418076",
    "entityType": "User",
    "nonce": "0xd46482b9ce2e4e077bc756f691275bfa9cfeec2c38fb961fad4ee1f170855296",
    "signature": "0x9a124f29ab6eb9d3403a840ece9f026cff05fcd12cf6d2673da04a660da505f407fe6dcf7391dc60928b1cd7163d564c3fb386463c20d8d001bb39374cf04f581c",
    "signer": "0x809Db232a6131f46553BA571FB17bFA2cc58aeE9",
    "userId": "351386054"
  }
}