Transaction not yet indexed

Me8SLXH7Qrh4FiuL7LWZr6wfuTPoCz2Rcm68TX3CTPCMiMZaQu5H7rY9Y9YTd4BgSQULpBMKL1gjsSxVtfHvCHM

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