Transaction not yet indexed

21npkFhfaTMPnBJVc1uHXiPcVkknHD9k6p3i9JUmY7Fyp2SQyVB7SH4iVDsp1eBVk9zvx6E1MK7cHKCxAXCZx7k2

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