Transaction not yet indexed

mcEf6oR6NtY3ezy36SweMxAqjiYuT5Ks8df3RZXh9ZH6oqiVcjWK1TH2CbgLKXQxihy6WiKLNNmL6f9aiCU7Vpy

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