Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHPPkMbJDsAdH3mTsD0P0bpwZ2GNkAJ03IW26qeX0F4zRgJPPPjO/5XEPoG… (844 chars)"
  }
}