Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAOoj5J4Xj9XyXsEGcI8XXsEVXNsHiYafJnsZN8Q9WDKGGXAJFMsCDYqrhO… (844 chars)"
  }
}