{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0xe0487b4e61ef754e3c26da55f03758ed2fd66005b161742d7a0841158eff4983",
    "signature": "0x397f29848f83cc08d735819fbf48f587bdb43fa4de7c52c57e34242979d2d49f1b31e550ec4402be2bebdc608335125e1a776b64d65b0ff6b922982ad6080d191b",
    "signer": "0x1640Dba7CFb907fBEF6DBC6b56c742f791632486",
    "userId": "235256666"
  }
}