Transaction not yet indexed

1u88sKdfpkgB2iFr1ybHdCATVX3N2KEdsg1Vp47zbGypbfHDgVqumbycUsso5wkToVEZkvF18zWgYLfVcmAx7u2

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