Transaction not yet indexed

53d6k6r3qMxmnbx5ngwibKyqywhjb4tdLatDZtLLq2C2RiuazVTqYBcEkwGxYRBXRibeQdgRboYpLaccTYAGhh4g

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