Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE3f/tOTVZuEYYIARv1L3oC4Wz5BuokYenAdrV3HdpSGFzgqoJLin3Yb3t0… (844 chars)"
  }
}