Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBkI3rUYtECfxd+k21jPI0N+OHUYejLC7DQl7OeT7Yi3SkrCMmv3o+1IrVu… (844 chars)"
  }
}