Transaction not yet indexed

21R4K2LbmQHyAbvjDaEkK7UNmGwJVapcGx6XupDwvUtwGPeVeHqAvMv2YJmjK831DqFJRxy4DhdNWyEfLTfZRSY5

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