Resolved: Split MQTT messages to AWS IoT Core

#!/usr/bin/python

# Lab 1 - Setting up.
# Make sure your host and region are correct.

import sys
import ssl
from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTClient
import json
import time

#Setup our MQTT client and security certificates
#Make sure your certificate names match what you downloaded from AWS IoT

mqttc = AWSIoTMQTTClient("1234")

#Make sure you use the correct region!
mqttc.configureEndpoint("Masked-ats.iot.us-west-2.amazonaws.com",8883)
mqttc.configureCredentials("./rootCA.pem","./privateKey.pem","./certificate.pem")

#Function to encode a payload into JSON
def json_encode(string):
        return json.dumps(string)

mqttc.json_encode=json_encode

#Declaring our variables
with open('flatdata.txt') as f:
    df = json.load(f)
message = df

#Encoding into JSON
message = mqttc.json_encode(message)

#This sends our test message to the iot topic
def send():
    mqttc.publish("iot/topic", message, 0)
    print "Message Published"


#Connect to the gateway
mqttc.connect()
print "Connected"

#Loop until terminated
while True:
    send()
    time.sleep(5)

mqttc.disconnect()
#To check and see if your message was published to the message broker go to the MQTT Client and subscribe to the iot topic and you should see your JSON Payload

[
 {
  "timestamp": 1519516800,
  "condition": true,
  "id": 4
 },
 {
  "timestamp": 1519517100,
  "condition": true,
  "id": 2
 }
]

import json 

messageJSON = """[
 {
  "timestamp": 1519516800,
  "condition": true,
  "id": 4
 },
 {
  "timestamp": 1519517100,
  "condition": true,
  "id": 2
 }
]"""

message = json.loads(messageJSON)
for payload in message:
  pubJson = json.dumps(payload)
  print("sending: ", pubJson) 
  # mqttc.publish("iot/topic", pubJson, 0)

sending:  {"timestamp": 1519516800, "condition": true, "id": 4}
sending:  {"timestamp": 1519517100, "condition": true, "id": 2}