{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0c3113a5976f4299f9a67d31040e7829fb551a1eb361842f4f4cc78eaa7c0c36",
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}