Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwECBfZlnv2XEF3bf9yNOIJPmxCglfTDM53HUOOS1cGpYAOvDRf/jZWJGwIk… (844 chars)"
  }
}