Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA3ghfvA6YA095UzFgKgrUAFgZ0H7Epw5UdHvWyYUTnjQNP5vO6VrPSH7LZ… (844 chars)"
  }
}