Transaction not yet indexed

21d6PmvQgxBZMhjLnFvhKnCfoaxQyjWEKjfM55kzgYmieNU4n5yHpgCL3nL3ohbTGJLK6emHeXwNW2utAxMfxEZz

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