Transaction not yet indexed

21Ab7k5d8WASM37DueN5kobdSrdXmZbF31Qk5MXtFzk4dsb47vobVPHq1sVRZx3ctrFs2ND1yZfWJMvR7cqYV8m2

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