Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBiB+1tFLF7VASNoBEuD5Ijrq/zFVCIQSXTZbCfTvjrHjreyZlewbLRMHZF… (844 chars)"
  }
}