Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGLOth1N/x0odT7/omWYZxayfS+eoQT8CwNr/shSuQJEm4Mv+2DlUvPtGBy… (1,748 chars)"
  }
}