Transaction not yet indexed

Nn6ECgQ8AgRukCJLRwhDR9dYsq7ceXXsmxiKcuLbfCV3dR96Y2KTYxKDcsTqbxtSC3Ui7y2LdgVseG9f15djA7R

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