Transaction not yet indexed

21Mrkcg6BT2XM6sgnUmUieDqz2a1PoZsVTHeccV6VVCPY92KtvUiYKB35gDCnTkFzGRfdAb49VmSpZo8hZqKFEuc

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