Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFt0xJfquKjbLVUe0XNVZD3/6AGCynwNxw1FmXc0mGvtlKW09cP7pvlmn9m… (844 chars)"
  }
}