{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x819e74e542ab80a085a1e39227d900c383692e641f47fc10356c95e8e50329bf",
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}