Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE8A8WzV/IiGmzR4OKSHnecoFXMHdZ5DOe7YbRONX/2fWnMVTuLb3leqAyW… (844 chars)"
  }
}