Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBuLm4J5XmuGOymJVTqmrH/LBSaxFSnhYLN/EIF8rHUWBzLmSLDV7T3L1WN… (844 chars)"
  }
}