Transaction not yet indexed

NKffHfa9wfp1Crq8GiAt4LDtE7a6jxR7ajSRkhkoQ85bS9fBAKdiJdKMnLZ4XFRCf7jSn4iwm6tp3HyDY4aimjw

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