{
  "manageEntity": {
    "action": "Create",
    "entityId": "1374593126",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1374593126,\"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": "0x8724ee883ecb622c1fbea945a3a41c997b6cea6b6d0b9c959028993416a4d99c",
    "signature": "0x85487e7990986f50b06efe48cf7b4da738e34443128a0475118a84babc997aa34b7d9b2bfc60a18992b1b5f2844bc69c9890df5060af6cce2d5d956d040ec6291c",
    "signer": "0x13EF65Fa7E8e85C76Bde273f194aa7F273dB6aA7",
    "userId": "595322493"
  }
}