Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAi0rl/DyLfQXECY0Rbm3mxgnBqaWI327r77AWPJ0hV2HqHXHFNNF8qXKZZ… (844 chars)"
  }
}