{
  "manageEntity": {
    "action": "Update",
    "entityId": "944117628",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x850d8505c4ceb83a2578f226d4b4b2791e05476a686f1e06917a39d396ee1476",
    "signature": "0x40d7713b1058b599279e6671fec9059d0870b4f0702e5cb9a83e13d4970378f34e88d959637c7cd6dc3d35c98051d737704e08c897f0ee216a0245681f31df991b",
    "signer": "0xBe9B6f5cb472cCcDCEFf1f823a3Ec32D93CcF9C1",
    "userId": "944117628"
  }
}