Transaction not yet indexed

5191vxVVbeeZsRXTCKHP4dFsWutwgVV5n871bCvJSJLoPH3D5i7ziLUjwyrA4HhQDTfxd2rVrSS7g4JABZPGVvLs

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