Transaction not yet indexed

RNMMkPk1321E4nsAXqFjmqgbVjQmxFExzYwqyB8821Smiup6WFACifebPy1pGZHUaqAqZd2qcCDZxHwLCAcRC8U

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