{
  "manageEntity": {
    "action": "Update",
    "entityId": "324670697",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x41cfa93b89adaebdef9b5ecb7c8d925373ef2c4266446f50915b2fb74ff4bc0c",
    "signature": "0xe70704bb196917be71b15b6466153e8506c39cda85cdf4d43c3ff534a75710a30c2b20af729cb1e39786e1a3e585efecad32ba4055e1bc9ecc64d6b359e89a6d1b",
    "signer": "0xEAE1c756dB1BE2AA6bFD12b24Ec5E1a5dFce3CE1",
    "userId": "324670697"
  }
}