Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBE9M1QwiCG87WozU4zzsdH6IVLbVV0/CY1B1LxYDG+DFrviEbHJk7sQhTW… (844 chars)"
  }
}