Transaction not yet indexed

ykkcMKSuGfMQL1Ct6uoq17jYXLFhP9dRpMahW7V6SBTRwTMJsraxwrAZFMBVaw6uqeRdkrC5Y3F7XGZJhmGantH

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