Transaction not yet indexed

21Mc5ZkuJVi3iGWQspiWAa1zu9XTDq52TVbzTDB5NoXppa974SDvDMswyZjHouezrVVo7MXRy7x76QgJTSBbf2rx

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