Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGz7ow5HmBbuK/z/c1xo18o2yfhgigZsGVTaCMqYTnMHBxnv/umx+nRi5I+… (844 chars)"
  }
}