Transaction not yet indexed

2Kt21NEsSwRjH8uwE2i5jaSEaLRF7RG6BppYWdf6zWXVYAnSMhMBb5cxf4XUqB8D9sTXVqTruUaeDmtxaAXU4UW8

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