{
  "manageEntity": {
    "action": "Update",
    "entityId": "650869492",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieralixwcshxr6fu2emza2eds53gbq5odjagyvs5uuj6i5r4avbqkhla\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":368745073}]}}}",
    "nonce": "0x11f0956b5ff8e6b65226a74125d54cdfb26a9af88e377e01d69390679f48957e",
    "signature": "0xe90edfd11245041efff619bd977c6c710db3caa17b816fe4a1415be03dc7d33d673b5721fa90671f27869e41309417ccff06936515ce0e743d7abf8015c5545c1c",
    "signer": "0x98600c973C40c6A2e4792Ee60Ba695C0463B1C60",
    "userId": "650869492"
  }
}