Transaction not yet indexed

21fz6NksZaTHAQpdrZfZ1Eng7ZMWC7i87BBWvvHqj2MvsUmEPp2GXXF3hEKFCdHBdZ5HPcESYPK4n5jxKpEv55WM

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