Transaction not yet indexed

Me18k4RP7RVYRdbVEuVA2weiLvaufg9A2mprWtUEhas2QvCjc6PcAoqRPFmw1hFP9LGFUufqsJpLoiiaKmPyen7

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