Transaction not yet indexed

UnM2KTbFSVj8uHaqioQVU6TSAkig3dwwz9REJwnA8MQmVEbmGD15CmD3rih6mKhQa3jCeTF7xhrRc2mgLwjgBT7

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