Transaction not yet indexed

121vkpnSU3qFRoGFpLBjQG7AgfqM2nP96ukKBwhPP9RSYNtUSYH6dJxAhcxgvqX9bMTNhfovDKaNeGK3DxMfJRLC

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