Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEjOOAC0p6PPBBSdIg1ZmPe/OvmZvzN86gcWNnzddtLZBbQ/WiJc2o1Zzmq… (844 chars)"
  }
}