Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEJU7UaRyggJ13ZnvOBEXjm9J5XfoRpQGkFszgt7ztQ4Xn3PpgO4x/duK+H… (844 chars)"
  }
}