Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGSAb8E6aa2Jq+d6v9KgkkmDrnTjL/2lvYTLFrKbz9nDliRwIexvLv9zAHy… (844 chars)"
  }
}