{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9936fe8ba4004a27a0977d51e2765266e1d54c29399950d396c9e2d2ce0bcec8",
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}