{
  "manageEntity": {
    "action": "Update",
    "entityId": "482858095",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x00f871dcab3db86e7ce250aa44dbae270e6e26e6f6c6ab5a8073f740b624f476",
    "signature": "0x49dfdbd9cd0f6a049ec1255166785f6be31a2b50f9313d4e8d6a16e0c2276b1c19366a22fd88ebc2f0af5b7e0013726aa405cc446ab9129d29c2aff8427ecd7f1b",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}