{
  "manageEntity": {
    "action": "Update",
    "entityId": "482352113",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x39ce03baa6539448cd8c653d36bc522ff33d3541c1a598255ca869ea4b4bfb75",
    "signature": "0xb33fb396ab7bb442bc11ae38b5acb135f44779e3c98a35d670233de8f59730195a6492548a74ba69dc23764670b6bbc2fe853737aac08e7b0b0bacd622441f031c",
    "signer": "0x62a97E8c3Be5397ff78ce222Ba066e256cde404B",
    "userId": "482352113"
  }
}