Transaction not yet indexed

21MKKL9s4e9tyRvruLEjTfQoSautRq1eBfpphbiYNcpXeom2UqTab3oTcxfmxCX8xBJ1eQsm2igXveBKdaFRXrgd

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