Transaction not yet indexed

UCxxoQE8mKvhUfb2dJg8rGdxkjTDwSVYWLEgS1vfAFrkCfMzF3MkFQDDRjyvieDqjXVHc21oQd7CLLEdLrism1L

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