Transaction not yet indexed

668PLkur6yKHa3aPrCqwtZ7PjPJ1M7FZx2dAXBtnQfRhB199iw7r8xShVyZrkCtdiCbrP2JL5tbx4yBttPnFrQYW

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