Transaction not yet indexed

5C66dRbCzmuTatPjK28FVSPfThJ4Ba3JmtWzKqRBxggtV11zSWdiYnFXL8pN7LHXtFdBbPprQ8ZUcD3XPVhustX2

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