LoRaSkyhook flow

[{"id":"6e1ad3d3.689614","type":"function","z":"10b053c.e54872c","name":"Prepare Query","func":"msg.headers = {};\nmsg.headers['Ocp-Apim-Subscription-Key'] = 'YOUR_API_KEY';\nmsg.headers['Content-Type'] = 'application/json';\n\nvar access_points = msg.ttn.payload_fields.access_points;\nvar gateways = msg.ttn.metadata.gateways;\nmsg.payload = [];\n\n// Extract fine timestamps\nfor ( var i = 0; i < gateways.length; i++ ) {\n    // Build gateway\n    var gateway = {\n                'gatewayId': gateways[i].gtw_id.replace( 'eui-', 'lora_' ),\n                'antennaId': gateways[i].antenna,\n                'rssi': gateways[i].rssi,\n                'snr': gateways[i].snr,\n                \n            };\n    \n    // Add loc data if it exists\n    if ( typeof gateways[i].latitude !== 'undefined' ) {\n        gateway.antennaLocation = gateway.antennaLocation || {};\n        gateway.antennaLocation.latitude = gateways[i].latitude;\n    }\n    if ( typeof gateways[i].longitude !== 'undefined' ) {\n        gateway.antennaLocation = gateway.antennaLocation || {};\n        gateway.antennaLocation.longitude = gateways[i].longitude;\n    }\n    if ( typeof gateways[i].altitude !== 'undefined' ) {\n        gateway.antennaLocation = gateway.antennaLocation || {};\n        gateway.antennaLocation.altitude = gateways[i].altitude;\n    }\n    // Add etimestamp if it exists\n    if ( typeof gateways[i].fine_timestamp_encrypted !== 'undefined' ) {\n        gateway.encryptedToa = gateways[i].fine_timestamp_encrypted;\n    }\n    \n    msg.payload.push( gateway );\n}\n\nif (  msg.payload.length > 0 ) {\n    msg.collosQuery = msg.payload;\n    \n    msg.payload = {\n        'gatewayReceptions': msg.collosQuery,\n        'wifiAccessPoints': access_points\n    };\n\n    return msg;\n}\n\n\n\n\n    \n","outputs":1,"noerr":0,"x":220,"y":180,"wires":[["1919540a.625d2c"]]},{"id":"1919540a.625d2c","type":"http request","z":"10b053c.e54872c","name":"Collos - dev LoraSkyhook","method":"POST","ret":"txt","url":"https://api.preview.collos.org/localization-lora-recipes/v1/loraSkyhook","tls":"1014c3fa.a8617c","x":430,"y":180,"wires":[["d3af59a1.2289d8"]]},{"id":"d3af59a1.2289d8","type":"json","z":"10b053c.e54872c","name":"","pretty":false,"x":610,"y":180,"wires":[[]]},{"id":"1014c3fa.a8617c","type":"tls-config","z":"","name":"Mozilla-Certificate","cert":"","key":"","ca":"/data/ca-certificates.crt","certname":"","keyname":"","caname":"","verifyservercert":true}]