Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB+IwDG/0YfhFbsB6uSd5rYFLM7JHIzPlLdxhpDS/Cb8H5E8dUz/oSzmW/a… (844 chars)"
  }
}