Transaction not yet indexed

21HEiJZGfsaE81M2tfLfHrK4fRkHCV3xsfQABM9uhccPFuHSMy9WdnofHsV8rXsWFzrZYZ9YmyJPYRLcqsUnMKKM

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