{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7c414c40972c0659c9707aa6cf69b653ccc98c7d6c97cae3c01ae9e6c07a8901",
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}