Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDvtEuaAWtzTtueV0psGOo3hBIXOURTzd2/6IkPduPWQW3r5punmItEcXmv… (1,748 chars)"
  }
}