{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4a6a3fd19f96c90d4539ad2ca91f9389b5fcd15d6390332da91c141f12268cfe",
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}