{
  "manageEntity": {
    "action": "Update",
    "entityId": "356982132",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierapra6l5agee5ehnleqkfp2f45nzly344pkkbqukf7szsdiq4mlypq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1028355788},{\"type\":\"playlist\",\"playlist_id\":116440029},{\"type\":\"playlist\",\"playlist_id\":1482337640},{\"type\":\"playlist\",\"playlist_id\":900718085}]}}}",
    "nonce": "0x02d68a2b533a7d550ee2fc47f43179d6eafeb63bff2818828acc0bfc7e7c6428",
    "signature": "0x200e0b06753ddbd8d8b79faed9e2d1193265d4e0b13a405900e884f8bf0b81fe13bc1aa49fd7f4863ab1e87de9aff147340052c83fa21b10fb0dcdfa03ec37f91c",
    "signer": "0x1cdFf70c3148938298C2f37555e69D65C18D364b",
    "userId": "356982132"
  }
}