{
  "manageEntity": {
    "action": "Update",
    "entityId": "178678516",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5mdwgdyldpqsh7wddgdaknonkwrh46qlfelk5pytgdph255okinq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1182385288},{\"type\":\"playlist\",\"playlist_id\":1091249018},{\"type\":\"playlist\",\"playlist_id\":1355171953},{\"type\":\"playlist\",\"playlist_id\":1469774609},{\"type\":\"playlist\",\"playlist_id\":1854892007},{\"type\":\"playlist\",\"playlist_id\":919453828},{\"type\":\"playlist\",\"playlist_id\":1594708736},{\"type\":\"playlist\",\"playlist_id\":1539252864},{\"type\":\"playlist\",\"playlist_id\":2085753160},{\"type\":\"playlist\",\"playlist_id\":1176576053},{\"type\":\"playlist\",\"playlist_id\":2134752281}]}}}",
    "nonce": "0x735ca0e726a4576f9bfaf3d590cb2ca843e61cbe4452e024fee24280fe5a4ed3",
    "signature": "0xee570d7b09299d12877f4684dd709a0d7b04534d35c403a4b55e1f4be4b6de7620b7d923bcb01c0bedeb31bd5cadaeb26c6148600dc763504711aa86b8dcb9401b",
    "signer": "0x9c0E158fd6a79ba8384938c72F34b5D765d2A9Df",
    "userId": "178678516"
  }
}