Transaction not yet indexed

21ThkfQexMnbqD28vgHs9JpadHQjGA4snNBaQSkvfpyTyqFTJZC76UNHiueX3aQ1q1HJfhmaCToGFJrK2b3VEmu7

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