Transaction not yet indexed

PMkTWE54uavxvLWmGhDjtN5Q6QbG9mWpEzsqJwAbg8LoJ22wSd6Q9mBotHMmnaBFvmjEo5orkAeaJ4ePkHoENG2

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