{
  "manageEntity": {
    "action": "Update",
    "entityId": "693930681",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierac3kzlctqwht5wermag6vxc3rdstrgteo6mt2aj62ziwzsbmxjlmq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":489010703},{\"type\":\"playlist\",\"playlist_id\":147570365}]}}}",
    "nonce": "0x330ffd24b42657e49fddb948f73e3b4c17f3b60feac7d37a4f21e1ab6199ec46",
    "signature": "0x03eb89275279a52b3c9b68eaada01a07a13cc42251316b78360287a375d652e42aab03a636d1311fe74bdba4a5eaa9c5f4b590e7d758c6d109a51665bbd4d54f1c",
    "signer": "0xB149E79d78860D4788a0F80399C146fD73A2a955",
    "userId": "693930681"
  }
}