Transaction not yet indexed

MH6mvYt4MRL9qbpP2w3uje3WqJJFV64CECfWszoGnG3xjwMmz8S6AoVUSeaBpnFM5f57GuUnju3zSLMmtm8Fekx

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