Transaction not yet indexed

Fu1nLH173LkFiQDCiG2xCHmAgvtZqraHTQM8HfMo2d3FbmPVPyWZxWjeL2qQYG7qYkiMBdqB9ZFDMTCQpkmPtM8

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