Transaction not yet indexed

21NbtctgwAHAaUvEFWqsqELs2H43ExjL4KKY2Y4SWXhNw2u1PEL8ThFdGpMzdhA3ChdWKWdpNHDsB23CLJzvDXdW

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