Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE7WcDNIrLNVxx0UjR2GnP4zqYDRxSCNTS7VVM/n5ivfFSR2OUe8Ik0Tl5b… (844 chars)"
  }
}