{
  "manageEntity": {
    "action": "Create",
    "entityId": "62521290",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":62521290,\"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": "0xa0ec910267494a6bb55087f3fc981092d1d401f5a300fb09efd8776614a323c7",
    "signature": "0x1c4870c50cd255f48ad4f67c943838036e5ebecfc2b0f3a880535510d7edf48a587a81bfa7e8319aad245dd15d91b8cf3b02a9abd9e5e5a34a7fe281522761321b",
    "signer": "0x4500303E05fBbcF978dbd09d73Dc6e8084A6f1b0",
    "userId": "834909005"
  }
}