{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x82437a513ebd0940262efb6e78d2a6001f81e3120234bb4fc101001c5d6a1422",
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}