Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFYQVP7v0Vko/UZUGBwTDDcprmC2sz2l0rVYW3HlPmfIWAHSwaJAz+Sk7DA… (844 chars)"
  }
}