{
  "manageEntity": {
    "action": "Update",
    "entityId": "395219571",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierakitwx2g5fiw3a5isklarpiemlxbiouo4diatsxbatab36hcnl6oa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":470657016},{\"type\":\"playlist\",\"playlist_id\":154153683},{\"type\":\"playlist\",\"playlist_id\":1057674013},{\"type\":\"playlist\",\"playlist_id\":1574952374},{\"type\":\"playlist\",\"playlist_id\":326802802},{\"type\":\"playlist\",\"playlist_id\":197018760},{\"type\":\"playlist\",\"playlist_id\":1520704825},{\"type\":\"playlist\",\"playlist_id\":526054465},{\"type\":\"playlist\",\"playlist_id\":2092659258},{\"type\":\"playlist\",\"playlist_id\":1119707706}]}}}",
    "nonce": "0x5dba02e51303d37a539698829414eb97284ebd98ea7b9a34ea7143af4fdb44e3",
    "signature": "0xae953b184c0aecba6a392f2d08265f7d0bd6d57a55b8b298e69e3fc5a91025181a2672950538c5e3361b4a0b462b413847cd1fde936c8131c92ed3878cbbc3471c",
    "signer": "0xC1c390791Cd8584Bc0D056AdDe5c3D747aA694d3",
    "userId": "395219571"
  }
}