{
  "manageEntity": {
    "action": "Update",
    "entityId": "7377126",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf2493d4e0a57ab7fab62aab56272cc17edecc4a8919d2e1f75472764d61688db",
    "signature": "0x7c7cddb810ea50fc3204a482c014ffaba5729e1c4258b99596dc91ce236308f6687a944ca4a881ada5336feda24bf2fd23a796998535954dfe8817168149591b1c",
    "signer": "0xe2F607C452a1639C45C92Ac9a1236661EbC1EFF9",
    "userId": "7377126"
  }
}