{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "121125",
    "entityType": "User",
    "nonce": "0x43fa37ebdaa88af28eb2b59ccc16a5bbf10375241da95f03cb22e73658cb5226",
    "signature": "0xf0b00a30f2686e44f0d9d401dc842c43fc2534ec62b46967604864af6334b15b01d81d1586012f03b7df0ff75029bc5e18f9d2814977ee04dc8b34a4a1109aa31b",
    "signer": "0x1fc5D9D4B88B8D8c7d91F317c38d82Acac11B6E6",
    "userId": "38437"
  }
}