Transaction not yet indexed

518q81hCSkpeXAWVwrcWWgoj5HfjSVsPgThWtdpnJEYv2k3ZHqBiVAduTcA8PRk19stGLjVH3SoFWb5bcVRsPNP4

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