Transaction not yet indexed

PKMFW21Q9eHFzDDgTo3ag8FxPz7WsxpYWuD97sCCdMya6oyoNENAMbFjEbR8utRJdNuoVRWFSTeHHbXCMaL8pP7

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