{
  "manageEntity": {
    "action": "Update",
    "entityId": "295621001",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x93c1fd34d447bbb6540e95fccc54f17a77aca4878aa66cf362659c077b917245",
    "signature": "0x264af988dc05cab8028f826539a01da3f45ea477c21b344471f328159b3e3233164b2fa6ff27e44fec544e8b346068b56d6cd335640c6bb7b2ddade2c3e5764a1c",
    "signer": "0xA6750a3CE8C84a6d249dFb455863F0fBbd7aAa79",
    "userId": "295621001"
  }
}