Transaction not yet indexed

MEZxeTg3BNNPxjnGam7VaH13ALNZXDpSpYrnJcZvPPUqE8GWy2A1dwZo6B8bULbNgDB2u8U3ivTsw2ZdSP2SWXs

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