{
  "manageEntity": {
    "action": "Update",
    "entityId": "395219571",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera64oi7mnvxgemd6qymdpk7dnsolg7gwuc2txowvdnh7v2kpo7dt7a\",\"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}]}}}",
    "nonce": "0x419f75b72f91fe6af36812239d546f3e080afa5d356f88bff4f8b261ba48ae2d",
    "signature": "0xc7f65cae8ecbbc39df714db24ab588380e5e9277dcf0dc29bfddb1e5fa1b3907770514cb2f8c31284aa98c4edfb30793e170b33cfa8ceec34efacea1a0255ea91c",
    "signer": "0xC1c390791Cd8584Bc0D056AdDe5c3D747aA694d3",
    "userId": "395219571"
  }
}