converting epoch timestamp to human readable format

[marvelmohinish9]

how to convert json timestamps to human readable format?

[marvelmohinish9]

const slack =[ { "user": "UMRH4GXMY", "type": "message", "subtype": "channel_join", "ts": "1567872411.000200", "text": "<@UMRH4GXMY> has joined the channel" }, { "user": "UN6GSNVJS", "type": "message", "subtype": "channel_join", "ts": "1567872432.000400", "text": "<@UN6GSNVJS> has joined the channel" }, { "client_msg_id": "de8ad31f-bf2e-46e2-89c5-1e8b6b52aea6", "type": "message", "text": "hi", "user": "UMRH4GXMY", "ts": "1567872462.000700", "team": "TN4AF0V5W", "user_team": "TN4AF0V5W", "source_team": "TN4AF0V5W", "user_profile": { "avatar_hash": "gda7c5a3ca2c", "image_72": "https:\/\/secure.gravatar.com\/avatar\/da7c5a3ca2cffe7f5135751db119c5fd.jpg?s=72&d=https%3A%2F%2Fa.slack-edge.com%2F136bc%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-72.png", "first_name": "", "real_name": "marvelmohinish99", "display_name": "", "team": "TN4AF0V5W", "name": "marvelmohinish99", "is_restricted": false, "is_ultra_restricted": false } }, { "client_msg_id": "2fbb267d-7aad-4271-ab60-283aa75d9497", "type": "message", "text": "hello", "user": "UMRH4GXMY", "ts": "1567872464.000800", "team": "TN4AF0V5W", "user_team": "TN4AF0V5W", "source_team": "TN4AF0V5W", "user_profile": { "avatar_hash": "gda7c5a3ca2c", "image_72": "https:\/\/secure.gravatar.com\/avatar\/da7c5a3ca2cffe7f5135751db119c5fd.jpg?s=72&d=https%3A%2F%2Fa.slack-edge.com%2F136bc%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-72.png", "first_name": "", "real_name": "marvelmohinish99", "display_name": "", "team": "TN4AF0V5W", "name": "marvelmohinish99", "is_restricted": false, "is_ultra_restricted": false } }, { "client_msg_id": "ce58fd89-6e0c-42cd-92c3-18de83c923d8", "type": "message", "text": "random", "user": "UMRH4GXMY", "ts": "1567872466.001100", "team": "TN4AF0V5W", "user_team": "TN4AF0V5W", "source_team": "TN4AF0V5W", "user_profile": { "avatar_hash": "gda7c5a3ca2c", "image_72": "https:\/\/secure.gravatar.com\/avatar\/da7c5a3ca2cffe7f5135751db119c5fd.jpg?s=72&d=https%3A%2F%2Fa.slack-edge.com%2F136bc%2Fimg%2Favatars%2Fuser_shapes%2Fava_0025-72.png", "first_name": "", "real_name": "marvelmohinish99", "display_name": "", "team": "TN4AF0V5W", "name": "marvelmohinish99", "is_restricted": false, "is_ultra_restricted": false } } ]

This is the json file

[deboraelkin]

You can use the timeFormat message template function. See https://docs.apigee.com/api-platform/reference/message-template-intro#time-format-functions