{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbd266bc5b50469aaedcf30886d34253a739a599a1eb0dbb4acd2e0f3b9a1ae03",
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}