{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1228",
    "entityType": "User",
    "nonce": "0xe579072ef67d27e92839392fba7bf4a992276f7853d59e8da65c3693ee8e529f",
    "signature": "0xcbcea152568366d215dc243185e24c3dfb4fe2b7d9ec0a26548de35b05d3cfa80b1639b8a63016ab71697a55dd45f7b4f7d7ec5af92dd53415636273ce68a56d1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}