{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf18cda59f1214b37383448997fa7fd54b0849efd4b2b099cbfd0eb12bd9870e6",
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}