{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "100910",
    "entityType": "User",
    "nonce": "0xb1ff54d5990df197b3657493359b9c50c02ea35687e7e0b728b3dc6ac71ba48d",
    "signature": "0x32e274e9b3f6109100abbc44479e2693269b98d1d8512848379567ec5ffd420a70caf50b27534a130b38af6015c044a04b09b364e09ed9015a51549cc9961f7c1c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}