Transaction not yet indexed

cu3uEwkeY1Tv3ULjsHEi3cwpmmqc8uDrTeLZUV3Ub8nMitCy4SsMJjVc51iw4XCEW6AFWmsDRgRmCN9GBQsbLt4

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