Transaction not yet indexed

i87MDgQqsZv3bf533fzVi7trhwCQYDcdQGh8GFzzoFXh1SqwS3TmFLeMTQUN3Vd6g17cKNdhg5FXtFQApp2STN3

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