{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7ac4b731a0a5474cebd89c4ea95b4245334a3465827bf9575a7079fd035d6bb0",
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}