Transaction not yet indexed

Why99vGDcyTjCCczQSAMFaURxnwNxfcE9x5kv67DDBJQeysVeak81m4cPm1uu4SkZc3U1fA6vZcaN3bmH8Cei7M

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