{
  "manageEntity": {
    "action": "Update",
    "entityId": "715228208",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2e68f1206fc17d3713f46a7d0d6d8b2d0847bf67ec1ea1801a8b5a7dec91880c",
    "signature": "0x461364fabeb62ea969380f5b08e592d3f9479b916b98c8ae2326997dd8835a37594c15e0d384ed7c04832457d87810c5e9d89028b7131a87c29600a80a56e4761c",
    "signer": "0x993e96De8E059C1D9255b6150648db85329c51d2",
    "userId": "715228208"
  }
}