{
  "manageEntity": {
    "action": "Create",
    "entityId": "690672076",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":690672076,\"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": "0x4f4a36acfafebb5e782220ed0c894269341062430b54514311670bb1a0f25018",
    "signature": "0xa1c50bd888628c6b767c5b04f25e5fa312f389d6deade3bbd4ee0d20bc5e7c4c1caae66c453bf2761ad0e486159d1a49b490f9b5f4d2e2123f64f0a62ba7b8591c",
    "signer": "0xa0306042Ffad1d4cBEd7ad969C64Ee57a49d425f",
    "userId": "718100986"
  }
}