{
  "manageEntity": {
    "action": "Create",
    "entityId": "428217077",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":428217077,\"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": "0x204386ecaee1767d0fe80bc65a50111329f520624d43c722133aa6ebc7766413",
    "signature": "0x80f488fcfa5c410f2560e7158264a42d060e8804b9d39762f3417a3cad20145441a81a65a6a87ea2a1cf36b5abb5b844f8c3b293af795d82b7f4b12d339609371c",
    "signer": "0x349076f7f4d2b28A87F0e9F5884E75d25d0C46e8",
    "userId": "159054652"
  }
}