{
  "manageEntity": {
    "action": "Update",
    "entityId": "832058678",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierauklbkmma6fz7gunr2agqdkfb2tnc7daumsfvjnq7elctavclgp2q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":570406706},{\"type\":\"playlist\",\"playlist_id\":1601302898},{\"type\":\"playlist\",\"playlist_id\":1215133757}]}}}",
    "nonce": "0x6da907ba4a80097a8b71ed6738eeb4bedd0705f81d78f3202d433512543dc320",
    "signature": "0xe5995c68a8ddf58595be18c82f3b05507db63238e60ef64dd2157609d9d422cf088a6dbf1da23113937d97ad00f47cd9b854b7442420df2168cb38e7cd7443551c",
    "signer": "0xaBca4973b8911Fb110a95E6e00e5BBFBCa671473",
    "userId": "832058678"
  }
}