Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG4Rl3sj/+5rgTZ2GPm0xDWBCx2qmV3ec+nQX76SBby+wXGQsC5pDc/39xP… (844 chars)"
  }
}