{
  "manageEntity": {
    "action": "Update",
    "entityId": "263579059",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3fbf6739b01f5a7becdad01cfc05c20310d4daeb890f637de6e7b9f4761af3a2",
    "signature": "0x439f820d104d67f4fab15d5b8e41675caacb90cbf0229001aa3643e09c9c0cae04cd14cfc905f81021a08083285405dbe8261ce460afed2f153feebb88921ce41b",
    "signer": "0x732b732EB90beB3dE512bE5E0C30694E00762e6D",
    "userId": "263579059"
  }
}