Transaction not yet indexed

MEM3GixRR5brCejBsFcsPxSWcEuMkiknW2GAiWdkLUKVEeGUBpFKm3qhJvqHdJyDP5TdSwWeqekFMpd6RRBa4B9

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