{
  "manageEntity": {
    "action": "Update",
    "entityId": "23238037",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2d03d396bbb4a6418a680ad46b2733c1a950567351f6791c797deb0f59cb30ab",
    "signature": "0x6a1f16ee43438d5ac71d4d5def1f904edc16984ef9cfb3c804aa62fc480202906e5873c954b19ec297407ee96c585ccf3e8718e5684194cb403182539ed57f271c",
    "signer": "0x62324Eb72309F5d66CBd77B06173F034B71d7b85",
    "userId": "23238037"
  }
}