Command id in the range 0–65535.
Command payload as a string or JSON object.
Optionalis_When true, data is treated as base64-encoded.
Target node ids (1–25 unique values).
OptionaloverrideWhen true, overrides an existing pending command for the same node/cmd.
OptionaltimeoutRequest timeout in seconds, or -1 for no timeout.
Request body for POST
/user/nodes/cmd.