Transaction not yet indexed

UUkPpk6aAMqMrzz5V5rMzSLVfU6ADRXc7yiETxsPA2WkR7MpzKBqXYk68hVZRacMpqZz4fdLEJk6zfDtF6JuNbJ

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