{
  "manageEntity": {
    "action": "Update",
    "entityId": "412472630",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1f03caddc153b457dbf1da021688d6cecfc9e2ad425ee37f1fb6b8755ab89515",
    "signature": "0xbc6e1aec7fb6974b4bdaef9ee772040a7d082052ef5b85351ab13ec8e8f3fa203324a98cef8f1cd6afa4a8ddf9e804b6ee8834df43e6fccc41d6f449b380e1cc1c",
    "signer": "0x93430810882B6aE0B8d598F5378b6A3156D682B4",
    "userId": "412472630"
  }
}