Transaction not yet indexed

Rb2a1DDcXSA8PFuA2UXmsqbd5T68n3LNCunMbCA1wCfyKJG5DAwbScLtdQCk2pPcHwAmPAg7snn9g2h364MqCt8

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