Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCCRH8cm/Et7ewCXF2UKbMpkr7NWyaGlnoRD1ngI6bzxDJ8DRBRyV/6Pn/J… (844 chars)"
  }
}