Transaction not yet indexed

NKNPCUDDCR9vJ84HqJHNSXTt36MWQWLxiGu5S7mvqFLEX71x38uooZNaBHaQn8F2uiBLVuX4j8gsCqVYeCGKig9

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