Transaction not yet indexed

mb3c31KZ7bwPDyKvKL75peHh3ibk4JSX2u5YMwqj73Jfv9thR2X9K5ZrqepfMRK1tgyHFmrLqzKPNayAPJVdRoy

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