Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCpgXsUfGvqTDCNAIJaTdU3l5RAB5IPTC9/hmXm9qp+gCpcfuH+NyUjhVoe… (844 chars)"
  }
}