{
  "manageEntity": {
    "action": "Update",
    "entityId": "10235",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierafnjse5zijhx472omliypcqjcmj6j5lp6nyrelgkey2qhywojtv6a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":154948020},{\"type\":\"playlist\",\"playlist_id\":349442979},{\"type\":\"playlist\",\"playlist_id\":1065786216}]}}}",
    "nonce": "0x52560b83cebdba56b1466e4e5c4a36918e49682baf69f8df88249b3ea620a76f",
    "signature": "0x772864a837c76eb0d6dc5aac0f545c611c0bf8be2ca2d0822225a924519aed3a37be76829ef9f22ac1fbd5069e24eb0dff5cb514ace82eb7318728a7dff222291b",
    "signer": "0x9EC2d6079A9950c6B47C055346f01416C3485141",
    "userId": "10235"
  }
}