Transaction not yet indexed

MM3gBSAwvMZRGuNadsFRfAkBmbQJ4x8VeAmZKSzcMZwcKBmdUaDwgBdDRtkteeN2MYgcDgKBxY4fbHtQ6ucMMjg

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