{
  "manageEntity": {
    "action": "Update",
    "entityId": "282839670",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd1588165b098c2b73f0aa8e393ea4d2f2fdbf5904452c4e6a78339708f402afa",
    "signature": "0x18c9f6f1c9dca4334f06ca9a36bc28bee10a8c28d83a578d39625151160a79d56eaf99c945b597925c597b9c88bedc665888df5492e090118b3c05f694e476fd1b",
    "signer": "0x7880e26a355bef454b3558ACb8f68563AB519B8e",
    "userId": "282839670"
  }
}