{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5d840502d950ca7952453e09b53211ba3031441c6a65f843e9fcca9026bfb76b",
    "signature": "0x040a7a5bfbc8c3175403fd987e86ccd642945249723cc21eb349bb69f12a712459bf81572feab860f17f8115b02a7e79b310d3768022581bd90df2c49f789e6d1b",
    "signer": "0xb317638BaDa9d6464F1b38412361Ab229f06001b",
    "userId": "995099336"
  }
}