Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA5bj2UaI0RNb6gUbH2YImeP0mmVOnK8OFUzD/TAcv8FD4oOfVs2B5k4ixT… (844 chars)"
  }
}