Transaction not yet indexed

21a3i4wU3tobfGgYTJ8HMq836UVpX5mAvj51ZLwdrx19Zq3YNg56XfvHpcUtCYLUNnJS4RkDcn7fHXhS1f2wTi4A

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