Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEZYEY7h0o9/mR/Q4WEEZ9+bFvXWaFBCsTfs0Y1ZsKbYVdT2A3HWN4WEwxJ… (844 chars)"
  }
}