Transaction not yet indexed

SpMuguiCH9bP1p7dynfswQm8ek8pVhjCvNEjN9DVqp4UQETMVfZvNJeHMSDRhpgqycH4jBMHqfMXvssX6sJk8ST

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