Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDtnxmNZURtgFPZQWYjQMl9DSn05RSq/iGhAH7S/8YU8iQvn6D8qZqhYxBe… (844 chars)"
  }
}