Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGaorMU1j0kN0ANnGZa4+G7M7m2ZWqmwUp6ZqF/G+L8nkYeR7b4OjWU5Dun… (844 chars)"
  }
}