Transaction not yet indexed

MSuEm15fRUt2uQnCGEpgcVm1pXGr3wjxuKJApUMN8SNpJF6abG59n6DFrxUtbLTfF1guuJcoCp8VuY6ceC6DBkQ

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