{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4719d970b6b5f5cf18341dc367b2f546ccf81e6746f4578f419328d4502a4ee4",
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}