Transaction not yet indexed

ps21ss1Z6ohGcMeBmGiP89daLMJ2JLncX8LvstLXzsTjJ9zSFV1zDUfepYh4WfirDD7xoJq2R2hUe6rJNBB4Hy8

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