Transaction not yet indexed

ykMPcWKpzR7Pr5NkWmoJgRz2whxzR9L8nB7e883Q66m2Ce2KssJz8zcsb3dkFhjPfJyxucVT1gcW4ugQPAw66M1

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