{
  "manageEntity": {
    "action": "Create",
    "entityId": "311303806",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":311303806,\"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": "0x36b870e88a74d0ae3e83d30695c512f8275c8c9b0530820c21b8c24e88f2eefa",
    "signature": "0x1beda7af739e8c93ecee4b87b9b860058442988b4e34c233f0f919003bc9d968087ed2db8db9e89a52c3f8b1b99deb5cd3411aca3aed64110852f5e0d76dcd931b",
    "signer": "0xe84DAA2a7c71dCb83b533DaC2B3861299D9943cd",
    "userId": "870459809"
  }
}