Transaction not yet indexed

Yi88RttUbMmKn7R3mL4ESqiaiMXocjS7RJhQQPdE7DU7TxiAnsY9GRLg4g7iyLtQ75gB3npnWqfCUzrP3LV8Gp9

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