db.json

{
	"contacts": [{
			"id": 1,
			"first_name": "John",
			"last_name": "Doe",
			"email": "john.doe@superchat.de",
			"phone": "+4915112131789"
		},
		{
			"id": 2,
			"first_name": "Jane",
			"last_name": "Doe",
			"phone": "+4915142331789"
		},
		{
			"id": 3,
			"first_name": "Max",
			"email": "john.doe@superchat.de",
			"phone": "+4915112131789"
		},
		{
			"id": 4,
			"last_name": "Mustermann",
			"phone": "+4915115651789"
		},
		{
			"id": 5,
			"first_name": "Jake"
		}
	],
	"conversations": [{
			"id": 1,
			"contactId": 1,
			"conversationType": "SMS"
		},
		{
			"id": 2,
			"contactId": 4,
			"conversationType": "SMS"
		},
		{
			"id": 3,
			"contactId": 1,
			"conversationType": "MAIL"
		}
	],
	"messages": [{
			"id": 1,
			"conversationId": 1,
			"timestamp": "2021-06-08T07:35:55.621861Z",
			"source": "USER",
			"payload": "hello"
		},
		{
			"id": 2,
			"conversationId": 1,
			"timestamp": "2021-06-08T07:38:55.621861Z",
			"source": "CONTACT",
			"payload": "world"
		},
		{
			"id": 3,
			"conversationId": 1,
			"timestamp": "2021-06-08T08:14:55.621861Z",
			"source": "CONTACT",
			"payload": "test"
		},
		{
			"id": 4,
			"conversationId": 1,
			"timestamp": "2021-06-08T08:21:55.621861Z",
			"source": "USER",
			"payload": "bye"
		},
		{
			"id": 5,
			"conversationId": 2,
			"timestamp": "2021-06-08T08:30:55.621861Z",
			"source": "USER",
			"payload": "cool"
		},
		{
			"id": 6,
			"conversationId": 3,
			"timestamp": "2021-06-09T08:30:55.621861Z",
			"source": "USER",
			"payload": "hey"
		}
	],
	"user": {
		"first_name": "Super",
		"last_name": "Chat"
	}
}