Transaction not yet indexed

121DXvySTZs1EuAa4cmBfYy7YaqY6MVGzhbMvVRWKkyhkWDjNHdb6tijujnmnP7dJZEEVtCEWg211JHaWtZ5gVBx

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