{
  "manageEntity": {
    "action": "Update",
    "entityId": "135085700",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5ljsxjy7x7ypfcgk5tlec3qz3k4clp2ei3ipmyhns3foe6adtvxq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1565516143},{\"type\":\"playlist\",\"playlist_id\":949844870},{\"type\":\"playlist\",\"playlist_id\":1862128876}]}}}",
    "nonce": "0x6346cb1812d50c286628c19f63fd48af085d93e3a673eec7b8f33c4591ebaf55",
    "signature": "0xfdf09e0188a22bf2ce2eb8d9b5e84d1388619be90c1d19089c2b6b505c75fb7e02395f09d3f10fb3c21e55796c1e4d993da982e2ec7ccbd9d3b8523711ee1f5d1c",
    "signer": "0x52D9e36016EEaFD98466652F88bE3b7C97D4b408",
    "userId": "135085700"
  }
}