{
  "manageEntity": {
    "action": "Update",
    "entityId": "431093315",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaf61b634ff9224886038d27ff921dc8bc18aedce4cffabb35d77df082790e308",
    "signature": "0xe2725353470f7e10036e67a6f17d1c56cab9356e7ee40da66df9338de92660c7146b8e403886d69fbce670a69e4e81a6251a6b89e7f74943c89fe189f715d0df1b",
    "signer": "0xC1b01545cFB07eF93Ea96354a43eDfCCeA1e33a2",
    "userId": "431093315"
  }
}