Transaction not yet indexed

ykYaDEPypteZhASBbcQ6DgRTp1Noh9Bb9TdoFbv4bkwXi53ExxxJiubvY2WHzDs7KfuTZRuqhuFcBvWMayUyro6

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