Transaction not yet indexed

AmKwkkFsWg6MvKmU1PR24NR9Cy9kFbAB5XDZMJMfA3tKsYYQiKvzGX2ERdkAVKMLpjZTKAd8iGAAACFLF6Mrqrc

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