Transaction not yet indexed

21ZN7Fm7wj19UBNwbM6ejyrQseZj5dPwY9CkLK8usBYA2jUp5q7eT4jh9aSk6VANDKhxSy3PxiUqUTmrwH2ZXWp2

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