Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFUJe3v/5Ig+bH5xyy6xKgNV1NqT3XPc1DNIKn53v5/XQywR9SuFn0Vh2Eg… (844 chars)"
  }
}