Transaction not yet indexed

53C4yhuXzYirJJfUsCUyp9FS16mckwnxqa99LXGSE4Xikm4uTUPZ6vFqeb4g8hYD6WmvaUkpe7eA6Pvun86spWK9

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