{
  "manageEntity": {
    "action": "Update",
    "entityId": "610145222",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera34uaz3btyqgiznpggeod4tvowlwxiu6nw3kdlzyjpwr4py3mw3iq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1370053263},{\"type\":\"playlist\",\"playlist_id\":154699271},{\"type\":\"playlist\",\"playlist_id\":2142747917},{\"type\":\"playlist\",\"playlist_id\":362890630}]}}}",
    "nonce": "0xe473aec805ed4fbd497f53adc45e6c1f6684d2501b5a8e93d6eadc3c55b75a73",
    "signature": "0xb89746f897c3652645ca35be430d27257cd6559b6422a8dc1a01e92d9b62474f17002bd592eeb8ce4dc57a79f9f9a8a2ef8fa38bec40fa6885919e280c3cf2481c",
    "signer": "0x6B624a5140eD0f26f309D2B64fb3f8F7EA14a8ef",
    "userId": "610145222"
  }
}