{
  "manageEntity": {
    "action": "Update",
    "entityId": "582626597",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb0a5eaa555312c06ea87f22a685e5e7224e529588241a3ae9da5cabd09a7d2ff",
    "signature": "0x65c588e82d35ce273004c45d9d0a247988711a637474ac42e5ef22c0e00e260479dfdf1687c72c2a72f1d636694a6538cd7fb17799e73e82e1e40cae31fc592d1c",
    "signer": "0x4e7Ff4DA511194F865D82936Ed0b8fB40B5B9741",
    "userId": "582626597"
  }
}