{
  "manageEntity": {
    "action": "Create",
    "entityId": "733879419",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":733879419,\"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": "0xe65a14d4f463837ca5a6184cb914c16c1eb4e0ffa1bf9cf8c9c4db2c91487f7c",
    "signature": "0x1e1da2b07622dc2907563529650903d17c3fc5da0f6decd251dffdc00515a93b794ebebdb8f5cf276f3b3dde25d7452cd7ca04c6f32574aa8232802d707cb01a1b",
    "signer": "0x25ec36593ef5abE8663D916865ef8DD80BE4c1D2",
    "userId": "91562943"
  }
}