{
  "manageEntity": {
    "action": "Create",
    "entityId": "1395849771",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1395849771,\"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": "0x44fe9cb4b97a1331349032a38e319eaafcba50ad3007eefa278938b1aa3f7beb",
    "signature": "0xa29e6f274a493fe678deff9d20f9cb88853dc0eb3d272a3141c054c5aa92299852d0941759ce89a6d522a2a71b62c271fc48eb0b51d260c9967c1cc4c41766c51c",
    "signer": "0xAeD4D1BCEb1AFdADDb3924D7BD54c4ce0a89557B",
    "userId": "187114148"
  }
}