{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "281470566",
    "entityType": "User",
    "nonce": "0x82993edf2a0488beec7ee10c1b6b6a33465c65e65dfad9dc814f22b5a4e87307",
    "signature": "0xb91d573fb326fcba3ed2e0bb86a449e5fd499bb5dbe3be7ff3a1d2e028b27feb195b8d03cd75bec7e5acfd00641631619ad374f96feb69ab628b4b642dabac901b",
    "signer": "0x866CB73184a8420C302e3850B610761F882C4DDE",
    "userId": "166428182"
  }
}