{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5e1670a062055c2489d05aa6514014b23ac310df948acc493db9f2c8f4e826da",
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}