Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF4EMoVyiMVAcFNXJpYm3SoS2s+eA6QdTOlvdqM92YbK3yq+7/E6ZG9KFyk… (844 chars)"
  }
}