{
  "manageEntity": {
    "action": "Create",
    "entityId": "1020235134",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1020235134,\"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": "0x8ae724b32d1fb82ba128f583636835f4cf1abff74ac0462d0fb79dc657344758",
    "signature": "0x4d1bfb9333360511c0b632630c9cd86c146799d9ebd0f86ac54521589ad3852e06b824aed3ea4c1f6235263c1ca7436f08fcbb66cded6dcf596cae8195358e731c",
    "signer": "0xD7853B593997688cAAf44f7fa874341f5E87AfCc",
    "userId": "505615926"
  }
}