Transaction not yet indexed

1ST88vjba5JAQy2t3zj3VAauVJCC7wPi8ho5pnnGMAjKWFNJrw2UfpYLFwxZ3yoSKNGpUfQKVuVCyb7g2L9ge3b

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