Transaction not yet indexed

21s5HndbU2qFyZK8cmLQuwMkn5awyHFSHiWhtQn7Mjnoskcw1BdCRbxg7qf2hj7tTTjKdrrUqWZYw6kNU3Mp9Ma8

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