{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765383018",
    "entityType": "User",
    "nonce": "0x6fe13c28f62af6542dff118021621aceb47170b1cf5494a4fd14ad205a122bf1",
    "signature": "0xfd8d43d27fdb28c1c498fc3e8836bc29283bc888a47dae9764df2755d9595cc546c54bc356cf2f276441d73f69daeff4dab9073f183a2afa689b9c6da79875401c",
    "signer": "0x5B83E7748cF8e414B76B16e39d629AA8deDB4616",
    "userId": "604013128"
  }
}