{
  "manageEntity": {
    "action": "Create",
    "entityId": "1683920575",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1683920575,\"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": "0xa6c6bc9961dc8ce30a8531879d61b1bd3b7b486979f772945abc2faafb05a07a",
    "signature": "0x8262c7c2ad491b2495cdaf8ae74f37372d0e2699ffd1ff061d56fe52eb948acf0fcc4d16a372d88c627da4e223f43f4a5aecc930f7084020aec3988b01cbc49f1b",
    "signer": "0xeba209eB804B902811A8C9e3483f38e2cbeD16c6",
    "userId": "205220626"
  }
}