{
  "manageEntity": {
    "action": "Update",
    "entityId": "112617375",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4bbe832d68582da3e69e224848edba365bcecfee3c269d41a75f9de5fad820e8",
    "signature": "0x76e93cfa0e691372618df0132be7f500e797066fdf5fe4d57d373b6aa86364a44be858829d9a009626138b53aac616bb6628b8ebb2ea30cc1c224de25806339e1b",
    "signer": "0xE2aef15366DDEab838F0Ba07ccE96DE014ebBAA9",
    "userId": "112617375"
  }
}