Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDLAdRwD+iA3BQ4j48FCvoE1HVTDSWJkFxt8Otu/k1NuTTy9uDEHd9JTbXO… (844 chars)"
  }
}