Transaction not yet indexed

21Tbkuyc2zceTQwHjPLnCeB4pGgkCVATcdoospa7YzkNb2q4SXSBq56DTWmJPhKkPpuXfsNHuzWqrfFvBrX7xGc8

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