Transaction not yet indexed

21LkTnrJh6umFWQtyEoNUEvNQBTtZMN8N6DWLHbQNiGMtGCprLgYYEiEJEm8PasMBofmzt8itV2AXEiTkUasU476

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