{
  "manageEntity": {
    "action": "Create",
    "entityId": "1453584539",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1453584539,\"description\":\"\",\"playlist_name\":\"543395\",\"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\":1786240832,\"metadata_timestamp\":1786240832,\"track_id\":1826694320}]}}",
    "nonce": "0x88b26f561a2ea998100f0a1398899c35dfed2c8f968c489e3250f5bdc05bd019",
    "signature": "0x3891158f2ab72a1a19c4ebf9e5514ed8379c5ef3dfae9392354b05ca84ac13ee545ba325562021df69da3f5267a3137167f024de840440c189cc648ae12ff37d1b",
    "signer": "0x5A844c4357CB1A8239DD72D5162046f958b59DA9",
    "userId": "425407904"
  }
}