Transaction not yet indexed

MttnfWCZntqxT6Jc83ZhLneSwPoKfmvxSh8w7Pe5ovcq983vpCW3t9dHnZRf9pWmUWbxgNUPEniJoykGELpAEn9

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