{
  "manageEntity": {
    "action": "Create",
    "entityId": "799138687",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":799138687,\"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": "0x7b7e3c3debe75ecc60f036e282cd2790765fa28a799aa67e4a0faab6b0ae03fe",
    "signature": "0xe7c2f470359d5686a6e9f953a2ec21d6c60891b741b91d009ce4a44948859c0e63a4db449ec94c47193c6778ef5cb8633cc426b3f344058af26ea73bb7b7b1cf1c",
    "signer": "0x57E6e1DC73e16a7d9D0A077241Cf1cA038DE50cF",
    "userId": "309882939"
  }
}