Transaction not yet indexed

3MExYLUCDXvaPSCEXQjH5P29HoUGmEqfbfeXWYxFoEQrpgD2hHeXL93q4CT6qzP3kuASfy4xSz5UToVQWWM3MDHw

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