Transaction not yet indexed

21MFiw1AUfVRCQp2VFTYEWv31BUL7qUamrK9rvUc41WpEJzU7z5ZZm3ReiF1sXtPxfNmQ8nKCjzbj5cRSTUaEBMW

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