Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGNVfdVD0up1EL8ywxWNv/LySvn1KCUx4YOmvs+4QZGdSLD+QxPnjyC3hGz… (844 chars)"
  }
}