Transaction not yet indexed

MKKvSAVUiHTn2dDnwHvK4umbUvS7F26DPcMpuKD768crKKefXW3P7hjdBH3wPtrX2dmJLctBtwkiGzUt4Ce1VjZ

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