"application": "XXXXX-XXXXX", // Pushwoosh application code
"auth": "yxoPUlwqm…………pIyEX4H", // API access token from Pushwoosh Control Panel
"send_date": "now", // required. YYYY-MM-DD HH:mm OR 'now'
"content": "Hello world",
"devices": [ //Specify tokens or hwids to send targeted push notifications. Not more than 1000 tokens/hwids in an array. If set, the message will only be sent to the devices on the list. Application Group for devices list is not allowed. iOS push tokens can only be lower case.
"dec301908b9ba8df85e57a58e40f96f523f4c2068674f5fe2ba25cdc250a2a41"