Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGcJIcf5QgPqCCBpyooxBjzPjCgPmEGnjouspo0Dz/jV2+qEW1WYrdPv8hk… (844 chars)"
  }
}