{
  "manageEntity": {
    "action": "Create",
    "entityId": "520037825",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":520037825,\"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": "0xa5cd7a581633aba695d9286a70ced597c0ce04629bc14c19973ecbbd20c075cb",
    "signature": "0x4a05c424fe9f88dece7accc6f850388bd5b0916502a7e89fb5b1dee7424fdb4d05cf47551cba09a09525d68aeb68116ff9ad920b469a5ca6508c7dc98e977c081b",
    "signer": "0x506C9A5705a37D14362821675ac64F9B591aF1F0",
    "userId": "872348098"
  }
}