{
  "manageEntity": {
    "action": "Update",
    "entityId": "614239389",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieramrv5vweban6gj6eht5lvhxubg4wyongyxhwvaosgcalutxtg2ria\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":8356115},{\"type\":\"playlist\",\"playlist_id\":1125479599},{\"type\":\"playlist\",\"playlist_id\":1853627743},{\"type\":\"playlist\",\"playlist_id\":1418943116}]}}}",
    "nonce": "0x130694c27bc86effdaa1b59be4606102d050b8643063acbed22537afc985551a",
    "signature": "0xcdfddbd9d8afe1b10988cf4462ee743ad59260a1aa6185b7e4cdf09b3bc10a605e08763d87d579d80db84d043774834eebb6439dd200651cf564737395b1abb51b",
    "signer": "0x7CBD48746133eD85fF7961BB95ef540342952cf5",
    "userId": "614239389"
  }
}