Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEmAQN+R0zWnfBWvnboAyRF8IfHUZYTz6Q+G1VfX0N0SULxjIV4zJuRpQMG… (844 chars)"
  }
}