{
  "manageEntity": {
    "action": "Update",
    "entityId": "98088512",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3fvi63rohropcsqtdj5qyjqhgnmxyojwot6zdvgjhefkye53xsla\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1419300557},{\"type\":\"playlist\",\"playlist_id\":150639252},{\"type\":\"playlist\",\"playlist_id\":576245199},{\"type\":\"playlist\",\"playlist_id\":879829203}]}}}",
    "nonce": "0xbba0e3eb461762c65d177570816e9a4dd246a4aeb4ef59f3d4f683fd0cea238d",
    "signature": "0x6579833115020974d5d1dbda5d5f46e723056f8e1f4a1d9b2e10ff6973b286fa7ced45b9342aa07fa81917696af8802f776f5c0e09558a1e34c405a7c20e10fe1b",
    "signer": "0x556D15a5c7676f637104Fb4F811c98D46bad6AAF",
    "userId": "98088512"
  }
}