Transaction not yet indexed

XPSk2E88xRTT2PfUnS8SzTrtPRsBjeQXw6wwe96iJqcvZG2GPUY7Cjp5MP55pU8QQVw1eX1mTvdkA7dCXWZF2Gt

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