Transaction not yet indexed

21Uh18zKkL8uNWMkFhe6Y7y5hwpd8bE291CbBvAYTP8Zv65FPUYAQguWcfaoA4JUWYNc1f6G956W4ejdjMMyybVZ

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