Transaction not yet indexed

21ZEM77TKB329PCs5pjXheU2ZSSFcDWvfvpTdfm6vSZyup5LwyzLADi2uEAcJBpfvciWYU1mtCK2RPpfKV7cX6HD

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