Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH+CzYyRSAFoyn2PxyeFZNkN9wy9P6yZ5ZzQmDG+MdyYCQW9xT8oBim7Cs3… (844 chars)"
  }
}