Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCSYmlchU+0VkTOvJ4Rrjgum8Ilh8B2xJA/awcCSH4OXiWqB/m41Ub/Oov6… (844 chars)"
  }
}