Transaction not yet indexed

21Mkdcm5ZJ6NxYF1rgJCAEf4uBdjodNbJcrkGoDnUTfWs4nSdf5d6k9uBZXJMgp1hyHNXiT2rPHqfRrrJ37Gse6m

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