Transaction not yet indexed

551mEdZM3rmzHqN2mBK9kUxbTM2HJd2aFbCAFqPRmcF7RSYLMfmi9BYw1wCgkA4Gi7kX2M8p2MooRZ7WndSZzJ3n

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