Transaction not yet indexed

NfYabc51P1YnRDrdD5LSL96q8xjqE3LM8jKU8KVyhNS5HysLDHqUzFqLAtuurPTHEhd4cSBGPURMgr1uqCTP8cv

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