Transaction not yet indexed

mumNYmLbeByTUCHtAS7JFXuuSjsaJe5RZQPAn5mGo6YTpbsPLLiMWmdTM7K1R7GkSXYSqRibPQB4h9i2kSxatnr

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