Transaction not yet indexed

21B6DUeCbrdkRfrmrbUpj2uZY3eAVVRwrAcL6j6VZaUsLVg3kbukebsNUhR7S7oysTxqyn3VLJEaLxELLEz3S8jf

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