{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2d7e517a7523066c5a666a138e99547f19866c1a4bf8d029f618d591f8f287be",
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}