{
  "manageEntity": {
    "action": "Update",
    "entityId": "672133271",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieravqr6k2ajafat7cpovnndf3zpdimtxrce4y4ea7hsbymbsdvtkhga\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1170700276},{\"type\":\"playlist\",\"playlist_id\":5419},{\"type\":\"playlist\",\"playlist_id\":1181547984},{\"type\":\"playlist\",\"playlist_id\":1792089834}]}}}",
    "nonce": "0x9e6ee22748ef937ed4a378f832226a51013b7e59625421bec330d506947bb8ce",
    "signature": "0x0a892dc7551daf65a33cbb0ffabcdbbbdbc40c7e53b25af7cec2970ee781d06b5502ec7aa654f75c1eb9d94fb7354fae118de75557900f5f8c392fa573c6df9d1b",
    "signer": "0x9DdE377c723409FF26023CF1B05dDc885a25BfbD",
    "userId": "672133271"
  }
}