Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBQvbRLZqdoYbmy5CuWUjgyp/RCxCrjmvpQkSCOHyD9viY8mJ8Id6r7oaAc… (844 chars)"
  }
}