{
  "manageEntity": {
    "action": "Create",
    "entityId": "1439234146",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1439234146,\"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": "0x918a281d0eece0653ee673ee6b33ba17cf299b1c103330401a6b449f7d1a5d6c",
    "signature": "0x6da34a0b63f724ac17c84520632b932b154f1d9cb3a65f28b8644523a1d176f124ad0c47c9cd4b4ae52a2092cd7dd98cd5e4520b8cabf9dc3bae5a89420031bf1c",
    "signer": "0xc70b3186f4c6E9C8035ad6fc5CBCD9fcd6C8112F",
    "userId": "849187131"
  }
}