{
  "manageEntity": {
    "action": "Update",
    "entityId": "165804934",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera6opjhgp2ssh65wrfa4bssht6rrqcgjhbr356frn47kyxf56jqfzq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":797081999}]}}}",
    "nonce": "0x0f42e279ed33a40431ec0f00f349b1631eea0a4fd6db72d87d783bb115296674",
    "signature": "0xad81872fc4c65b6fbbdd492e410617ce9ef115cd6f1a046a8f2a2bba1f4a66be6529530018c46fcb663c65ce220a6de46ccc38017477210a7811c94c567492561c",
    "signer": "0xB14f7e983979DB3a0BF9da619029a200FA9bE277",
    "userId": "165804934"
  }
}