Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF0vZi1Iu8R9zJuFXf6fNO0CDIBHlEB0wh9pglxhFFf2TFBFuYDxAh7LJxp… (844 chars)"
  }
}