{
  "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": "0x211f8fdf0442a06fa889e095fc7abc988094d25c89e5669621294af6ee036769",
    "signature": "0x8c9e5b5e5875c89ab9af242807b47c50e34a07d8fd3657c1d043d09d0a1b07d33f0dd53f85a58204d96c5f0ca1ed94ca723567a3b587f32d5aa6d45c8d918ea61b",
    "signer": "0x3Ab8fF95DbFC0deFd15d4d27949f03d9fDd90404",
    "userId": "136466"
  }
}