Transaction not yet indexed

1mbHWoxtkAKFsFvEfrFcsgm2sK536pRwEyM7odweiHXYBVnXWAwF6QwR2Y3uP6nKB91kfSMCnS5jpGt3awyL5P3

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