Transaction not yet indexed

WS6nWXYDFFDZf9k6nXP8wY7SCp2j98yG7cUmoUbtUmc5cuDR1p9N83wvhpHPig94ucvHjpAiWGnDHCePtPhFQf8

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