Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBvd3/XqFhmTLHZkAWRUjBRPMlaSr4Y62IjOYfj37DbJFh5UU9IqoBWvqA/… (1,748 chars)"
  }
}