{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "570373843",
    "entityType": "User",
    "nonce": "0x1031ff257555499b25df597282b5dee6b77612e0ea308bef30832c0124bea07e",
    "signature": "0x7ac19510a141455bc889297f566ec32348d2fa490cb1e485c637f15aa36e2e4f00da196fb865f176c94e3cbac514dbf72fbfe54e230c67d525885e48efe54d741b",
    "signer": "0xc4A500E17D812B285447720CCcb7F8eB148c91bd",
    "userId": "256479919"
  }
}