Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFi+p9Qm3fhVE7CIXGeFG6BYC8Mu6zy8yZ7MZXB3kKYjl8rT93ij3N8uyin… (844 chars)"
  }
}