Transaction not yet indexed

21kouUfiGA5NXRWHPzUsrQ4eTaXvCUpY1NaMdSSRF7bAtxJFnfJAqoaaa4Vxq3HZjs8WHV18yF2UK7eRAg8GAxLE

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