Transaction not yet indexed

668A4SPpVhgk7shZiD8WmdwkPTN9aSr9aeMeXJDAUUngFpktaYTUXa4ywx3qritd8rMHjGHA5rSJdCTLdgYc5P5M

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