Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHMHaFmvh1VnCvdABw8o0cE1DFWzsuUfyHvgGET+qwrKWx6uf1ruBjQXdpa… (844 chars)"
  }
}