Transaction not yet indexed

MnmmkAFL6ajWqyaUHSuk3QyXEETYZ3ymiLfCn9kE6MbnrBhWmsvdBijphyJN7PC5V2eWfX7Qo11fPHXNXhoZ4D1

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