{
  "manageEntity": {
    "action": "Update",
    "entityId": "712688986",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierao657q4s2yicjxo7txwsdfddcrrssd736nut6euhh66lrboj2tjpa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1533607931},{\"type\":\"playlist\",\"playlist_id\":1210066379},{\"type\":\"playlist\",\"playlist_id\":37635098},{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1583057538}]}}}",
    "nonce": "0x2749a126d9f2a44bffd6b6f023c039892fd55e75060737923038f99d4cdecc98",
    "signature": "0xe1bdb4244458e51ccc07f17d476fda6bd2255556983c92284542e59ac60234645cc10a013b3adc8212cb5d0f8a4f444a0756229db2c5d0f5049ae0053bcd176e1c",
    "signer": "0xEa38AcCa52084A56c743141280cE26D1b8855bF8",
    "userId": "712688986"
  }
}