Transaction not yet indexed

6688tqU4g9dcdExzXL2QpnXERZaX1hpchcqbwNUXkP4JRjHycNNKNRVE7M5JwpSsAzeomZDLc3yoB8gGTx2AUFDp

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