{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3be82f07df5c039270f8e1482c10754faaf63212ead263162c930b614b6080c0",
    "signature": "0x51619e2349d3e81e06043b725bc2b58eec2ad98926847b18f43a568f1886097032fa0bad466577fce4fb72052c29412b291c3ba4f4f156809451362d1be1db8c1c",
    "signer": "0xf85C727423B4422f12C2cb18e562faA43ABcf68f",
    "userId": "119855502"
  }
}