Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH+1xI8Xxac64x2ZtVMmHm0lJDcDOxDkIG9xoXxBN/XgT4Cegv9sbUPE6CY… (844 chars)"
  }
}