Transaction not yet indexed

LUuN7kv2S8gTFBYxoSumNzFcJqTJdW8aEXcaAjywFaExUiX6qC4a2BLAx8Z1qdMuPuz5y9BUK4mDGG4m1M2wdJT

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