{
  "manageEntity": {
    "action": "Update",
    "entityId": "119580",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieralwlinpwj3qwj44rhv7pr2vycdxnljqpmndcnc3cgko56jnu3l2vq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":40130},{\"type\":\"playlist\",\"playlist_id\":49421},{\"type\":\"playlist\",\"playlist_id\":1538455},{\"type\":\"playlist\",\"playlist_id\":853115747},{\"type\":\"playlist\",\"playlist_id\":102454810}]}}}",
    "nonce": "0x4e8076dc9aa8d01fe74f83d4c92895ecb705febea1b8680d88f4cd31fed9cc9d",
    "signature": "0xcc9e04a5a196ef3ea8112f4545b7b2eaa0adad78ae7bd7b62d43d78d58c20f8d2e9d6bfa4f0116f86a6278685be8deca4ee477f1606de897928a47b4ff5534cc1c",
    "signer": "0xD6c4DfF66d368e4a5d42792C8d086897Bb720E7D",
    "userId": "119580"
  }
}