Transaction not yet indexed

21LDEXK3AMN3U1Tc3DoSQm2wznm53SMdZYhpigNqE4FCx34bFbxgxbZ95F9b1HRHzngvXr2f6fe3XnUMWSacX8Hp

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