Transaction not yet indexed

mb2RXDCehC7FNgWmUfGdnjJdANUFCRCffVa2y3U5AWDfFVYaq6RmgB9pTjQNN5FJbi4DjmqkGCfxCPRJXGKzPC7

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