{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1472603",
    "entityType": "User",
    "nonce": "0xfb0be6a27e5c30885fe3109e627d50a51864c4ead0c1211ddc4be160103c1e88",
    "signature": "0x5276141fb1661908e8d423cd02d515142d56873ba3fcd55fc62428b393ad7737334961939a675e0bf2db58b8b6bdc10aa290b775f300164c93685f1a978959d11b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}