Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD6Z/nnDGPEjdBOhTC4fbtTwSRa2CoYx9kh/NUilykDFHdDCY5hN8RtKnvO… (844 chars)"
  }
}