Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGkUSfxJ2NbiCO15HLWsZ7YQoSY+lVYPCZj/OhwR2MkAw1JA1L5Lrh0j9oi… (844 chars)"
  }
}