The Insurrection Act provides several scenarios where the president can deploy federal troops domestically:
Request by a State Official:
The president can deploy troops at the request of a state's governor or legislature to suppress an insurrection within that state.
Insurrection Against Federal Authority:
The president can deploy troops to suppress a rebellion or insurrection against the authority of the United States.
Enforcing Federal Law or Protecting Rights:
The president can deploy troops when federal laws are obstructed by unlawful combinations or conspiracies, preventing them from being enforced by ordinary means, or to protect civil rights when a state is unable or unwilling to do so.
Source--Google AI
But that is not what Trump’s EO references. Or did my sleep deprived brain miss that?