{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x20d4f7b0c1f40fa78219c0fcc8e13dd9d035952d5cfb93c77b01fefb86e51c18",
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}