{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3e1c162c9ad5346b8f3d0ec6ab3683fdd5aa60971e2b305cf2d45253feb81993",
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}