Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGmfJjSob+XF7URUYdXzqDM5eRnzNKRQCZuuEPn/soO+GiidZ2F6oDI1dFm… (844 chars)"
  }
}