Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH2YRiMrt48zZsN+NN7GxKTmvw2vGMVurJcgvjmANa8tkwPNOgHwOTK0iBP… (844 chars)"
  }
}