{
  "manageEntity": {
    "action": "Update",
    "entityId": "557135181",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraivymucgqqxd7fhk6n4jvclnc35iwki4hvsba6nhmfqf4n4vkud5a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":533815830},{\"type\":\"playlist\",\"playlist_id\":1088676470},{\"type\":\"playlist\",\"playlist_id\":1219210338},{\"type\":\"playlist\",\"playlist_id\":147244417},{\"type\":\"playlist\",\"playlist_id\":1341039901},{\"type\":\"playlist\",\"playlist_id\":596330015},{\"type\":\"playlist\",\"playlist_id\":1458888796},{\"type\":\"playlist\",\"playlist_id\":1005781711}]}}}",
    "nonce": "0xea4efc22ff3617ac88c6ca1dd532ba7a9b44fc536b567fcfcdd64ac9335257fd",
    "signature": "0xd471290ccae785563258c76483710e20795c2fe51c2e57d276d00f2b337a7882444d3e6b443082d845f059d712af7d54820c70501487fa30ed7d14216c0526181b",
    "signer": "0xBBBE9eFc177a4E708d317195Fa81aA6E8E2F7E92",
    "userId": "557135181"
  }
}