{
  "manageEntity": {
    "action": "Update",
    "entityId": "165804934",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierageqjmhuzpruf4jstyosne5bmnnccky3zskde6ycjuy3obem7rtqa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":797081999},{\"type\":\"playlist\",\"playlist_id\":1493227712}]}}}",
    "nonce": "0x3e2fe1c2b998013492f2fa3fc70d2148f296944289ae5698a89ce2c08f79f931",
    "signature": "0x226b4249aa0977ebc06b38ab1f65be97cadab1233f10f1a28dfb5724a18adc0f709933f2cd6c747b362702173b016ef82e54c5fc7936a56b25f9d5f69010d4b81b",
    "signer": "0xB14f7e983979DB3a0BF9da619029a200FA9bE277",
    "userId": "165804934"
  }
}