Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCJLRfT+m3DwA+F6RdV88e68M0C+wxqjvjMxAYkImU2ak9EHqAL/VoYkEQx… (844 chars)"
  }
}