Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE6/7hGI1XnRtK1Z418nZb6tJ/VCwMoZpuI45EEXG3wfSIrE/UDShHXZof+… (844 chars)"
  }
}