{
  "manageEntity": {
    "action": "Create",
    "entityId": "420701351",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":420701351,\"description\":\"\",\"playlist_name\":\"GIRLS\",\"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\":[{\"timestamp\":1783651204,\"metadata_timestamp\":1783651204,\"track_id\":1355950060}]}}",
    "nonce": "0x6b5fb063d698b3098a99ddadabe5a81fc00e30e0fa54c80de888378893c6310b",
    "signature": "0xead8adc335ca8cb1b2255749e575faeab84009e63aa7eaf8f01694cd1cb22dac3b0cc9e67455cb240473aeee757b5b6503f3147baa0725672c2d72533963082d1c",
    "signer": "0x51cC1Fde8B15944370837651CCaCB2Ee73265088",
    "userId": "224658400"
  }
}