{
  "manageEntity": {
    "action": "Update",
    "entityId": "136466",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera6nerplwb6elou5th5yp3dwkqccvgrxjovuliscdhharsouramayq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":39246},{\"type\":\"playlist\",\"playlist_id\":41038},{\"type\":\"playlist\",\"playlist_id\":42004},{\"type\":\"playlist\",\"playlist_id\":42195},{\"type\":\"playlist\",\"playlist_id\":38568},{\"type\":\"playlist\",\"playlist_id\":40502},{\"type\":\"playlist\",\"playlist_id\":1421889343},{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8b27cb5d1497ff57b9634e1f94894ee121a7f4728bf5a473c17556587cb822fe",
    "signature": "0x91943a8e71058ebeb3b490ce64f891b393ba24f08c16744d73593719c33b533320b52b77b313e387aee754fa77880ddd0b03b93e93b51764a4b655e357029c381b",
    "signer": "0x3Ab8fF95DbFC0deFd15d4d27949f03d9fDd90404",
    "userId": "136466"
  }
}