Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG66oynRK4xbl4rRiY9JdA+2RnctN3LDX9fYpjT7rMhLFa9a3F9XVxk8Nsd… (844 chars)"
  }
}