Transaction not yet indexed

MDkZXgah975bBHZh2gS1yn9d7opvW9zQAmhaCkkYMAmXwrcGJm9CQhbB3JLtGWYxSPhKdJQZ7LvSGA7m3QiFDSM

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