Transaction not yet indexed

668vbRWDrop8NcwtcGb7mmhnDvGWwW7y4roJ5Yb4MfUeyStM4apVNQeUZrGy2RyxPAP4LB5UsG5B5tDjkPaaZ2Ap

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