Transaction not yet indexed

Nb6YRsLyGHm7xUnY5EPTgCM8WW7LfR1zZxikUkc67997ZjZNsFKpYaEM5EHs8GbyVsdZfKHPaiXTgeTa9xidkc4

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