Transaction not yet indexed

21Xc6BTFLYMkAkESTkmHv6wQgiTWXiutFSXntrvRwBuJjtYQGjVdFDtHocj4msCkxdUabGgGa16f9o1VRPuuKS7V

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