Transaction not yet indexed

21MKTdtuBSQppisspUbJKfeecKEHQ5UntBCqBBQyfrcUPevag62Nb4ZLTb4VEvfCvgw3DQrQJcwbouJP6abrj8sP

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