Transaction not yet indexed

21CkfjmbEcLw5uAQeEB5jd7JBDFv6ajDgZp6MY72GEbCL1MyVumrnY8yjLDBNHuaWs7TWCuh7NkC18BhApCtuZr4

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