{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x189b11a86a779d0d00ca9b9cf9ba43bf7d2142d18d2b9954ee9a0cc39514cb06",
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}