Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCf6Nx2VBGlb0d9wuE5cPYEJEF6NfSdxrOtnYWW/562iQbbBRj4xgKSORb0… (844 chars)"
  }
}