Transaction not yet indexed

NB6uvwfhrfW8AW1zaiYGEWDQnnXQGaSbihTTjCQwxm3dCNXLWGrLHNQiz1yhaPUd6bGueqZ6SXWiXGSiSKA3Yu4

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