{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "6542",
    "entityType": "User",
    "nonce": "0x572046347e4ad0c3510b56645f8de58c086fa863bd675112863825f9e10ba2eb",
    "signature": "0xf2bfa1a15ec313ccfb8fba87d8336d54eb0716e9648af40d8e9df7b8e5afbddf37acad3e5ab8c8824ee1c19a81ca4e5678fabe63b68598bcbd553420c97b6a9f1c",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}