{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "7511",
    "entityType": "User",
    "nonce": "0xa2d863f6ccd046ac1d76528084ffa50e33dcbdf2a03afa954fb10fe729b60c8e",
    "signature": "0x23a546c8c5c68264db7822bc7fedf4d3cbee2f0876efcad0d336c2b35a04e8be09f245deb97c9c046f4c06320e49d85f8183232bbaed6e123628fc4f692c3e341b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "2686"
  }
}