[
  "3Bxs4NN8M2Yn4TLb",
  ["AQIDBAUGBwg=", "base64"],
  {
    "signatures": ["5h6xBEauJ3PK6SWQkgLxHcQpWyRZyG7c4pUpK9fd2B2B7hRQ1S6F9J7BqvQPEmxQxK4DThfYF5f5f5f5f5f5f5f5"],
    "message": {
      "accountKeys": [],
      "recentBlockhash": "11111111111111111111111111111111",
      "instructions": []
    }
  }
]