Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFq+WWJ/1i5rSLdVxDCbCP3TuzXA1LLFpaR/oqJ1jn+70uNJ4tJeYe4VBYU… (844 chars)"
  }
}