Transaction not yet indexed

Mn9rAiXVzBuj2LAVAqHeDVnEFTN5PSkaVFf8J45pc8bVF8EzP865ibE7KkEgUWXoPVYZagyveUVR1SaHUUaddp8

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