Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEGPFWoAJ8udix+dzQi0B+TrM8HvQ0gDkEhwr5DoMYGy2mIwwe5PZLI/2Bm… (844 chars)"
  }
}