{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5bf25e0bbc7c51ebeac3c8e6900d531f6d330f8b4a54cf6ccf71a55509cbc448",
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}