Transaction not yet indexed

21nTtc4a67sp3nCMtZ31hWCty9PcgpWJ3XMQsKEWXQu3VCh7gDdJXm4UcVAtq3pmJseWb8eUGN2kpKPXeDXY5LM8

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