Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG8OzFXrYzZON4dgeA6X1nfhUoMTa19Q/BrScnRVSbdjX+DT7RwGJV1jFtY… (844 chars)"
  }
}