Transaction not yet indexed

21tkSYj7WT2wJbVDru6uvAkv5TiMonKq4ZHEFRz4cjeuDGqUdKjB4dSeuuXeEzQHFSy5spoHM3mjaodKwEYURS7P

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.