{
  "manageEntity": {
    "action": "Update",
    "entityId": "557135181",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierak2gsachs32aukaqtceryj7j3fanmzaiuxmngq2gakzumwb7z553q\",\"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}]}}}",
    "nonce": "0xbe986859977208ceca25486d5f0354fc5f38c0e3bc79afd5adf30ed996cea47a",
    "signature": "0x10c918a3827ef2d4f7baf05687cfee04fb2309a2331a3ab162866d1a50c564261f6d418563bea999198ee1388b8c61498fd6cc8ce9d5365b503846879b6a6b0c1b",
    "signer": "0xBBBE9eFc177a4E708d317195Fa81aA6E8E2F7E92",
    "userId": "557135181"
  }
}