Transaction not yet indexed

DdMf6NTuoGMtDK2D7xQrUdkBxjS2vMjLfyGkxULE7TDHG5qUy6fiM5uSFBZ7DXUBbrBu5gEVCkTYXvqDL8ME8S2

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