Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBA6oD2qq7KChpiKXQZ8HmOR1eN3e9Kw2986OV+XCVRyQn43/keZkMXD6I4… (1,748 chars)"
  }
}