Transaction not yet indexed

FU5fSEcKFU2NftuCNf1c4UdofUvG2bg6xefFvzQqRcFcfsWYBc5NRFFmBmQ9mBYZa8P4BHX6DFYuEcePZEFjEH1

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