Transaction not yet indexed

21TfbSqzR7eWqkjaWU3uqpnuiybduMXDRceE3JG4SRFsJQFas9ZFj3mmbEvggybiDa6tY2q2Hm9sJarkapLUML79

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