{
  "manageEntity": {
    "action": "Update",
    "entityId": "436337892",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratnl5y54tjuayrqnbci6yfwsl22i7xsrxotsfvvwjvwxfuvk2xyxq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1009169111},{\"type\":\"playlist\",\"playlist_id\":1909882732},{\"type\":\"playlist\",\"playlist_id\":562390710},{\"type\":\"playlist\",\"playlist_id\":20385865}]}}}",
    "nonce": "0x41e0ed8509cd711a8a5884884ec5d8f7471768b94d66cc918a1f53c3ebc877da",
    "signature": "0x3ae781769902f2cbf18d64760d444245d88fa8e6a76f05ecf5201ebb053675180f89d084e77e80eabe4e9c1be0189ef009aff20bbe3d6340f57db291287a39781b",
    "signer": "0xa8FAee271fbDADAbCCFD70eC63171F68D1D81006",
    "userId": "436337892"
  }
}