Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAZJQN3J7DVJWsTmGcupUcf/BPZIJMnPUhLLKwNRVJUu1408qRR7Gk4XkEI… (844 chars)"
  }
}