{
  "manageEntity": {
    "action": "Update",
    "entityId": "43686465",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraes3me7qj43mw56dv2hsqdlop7rxh3ncevgvpcwohixen2v3vc2ea\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":656389962}]}}}",
    "nonce": "0x60ba6022092783d0c9513467197da173c99d18a5009c23e89981b2ae1fb92dbe",
    "signature": "0x05795ee8a27ffc4915fcaf25beb9cb97e4f1067f41bf80b28b1fd4aea09101dd33372c796bf1ddeaa49cb9122703387a808c6a1e18a4017612fe5cad7a1152d91b",
    "signer": "0xe6896f375EfDD7aE22ea0E0958a36f1Ac1861a95",
    "userId": "43686465"
  }
}