{
  "manageEntity": {
    "action": "Create",
    "entityId": "1394491942",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1394491942,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xc63a6d2d184a99836c3b68f043d4765c421df124f69a678276732ee2a626b159",
    "signature": "0x373595c3527c3eb66c5a2b4200ffc8923b31e78f4eabef3b0067e0781ce5d6075c692229e2f5a635d9efdde9740b68a4c3b6ecc6282ed063affd1299e97057ec1b",
    "signer": "0x7A07Fc01a0D8064bFA29e6fB142f747915816D02",
    "userId": "23274136"
  }
}