{
  "manageEntity": {
    "action": "Create",
    "entityId": "1138252318",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1138252318,\"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": "0xf30e4dc0aef116b580bbc1988fa646d6416fdfaa119e4c310d6dbe1541dfa206",
    "signature": "0xd1e481d34be32e3698042d7340e0498ab872ab34e6f0b3a383c87330ceee17af20e453cd537cb7fd0415647be2b09a0cb03695e56763015cd4170f1abb4006cd1c",
    "signer": "0xc65dFfE1a1134FA9B16cFAE24fCc4CA150E84FF6",
    "userId": "559081263"
  }
}