{
  "manageEntity": {
    "action": "Update",
    "entityId": "241870892",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieragjvdj4klsdvzyplksdrcj5qwvc7jcickh54x74vwnh5qq3whom4q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":428156585},{\"type\":\"playlist\",\"playlist_id\":1462672773},{\"type\":\"playlist\",\"playlist_id\":1301159848},{\"type\":\"playlist\",\"playlist_id\":204975255}]}}}",
    "nonce": "0x02035cd01a790e0aae66be0a6c46ca989a8f7d93e870dc9a928cd3d70d30c9ad",
    "signature": "0xd990229ea493101288315632ab8ae791d4ea6fec0c9dd0a17b901d4475eb7a1c046e63f6be6615df7a2edefc86334129e59e31437b1168308de95998bc4156611c",
    "signer": "0x6867D51E60764cD265E7aF8e4Abc08B63b75826a",
    "userId": "241870892"
  }
}