Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEyDbHY9sLxTuE2G/IgDrWwY7ukvGZWqHIPM7POrB6WyH2Zhh/myK3Ltp1K… (844 chars)"
  }
}