{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc579144e5b8096adc4a5b9a53c9b3254a85b063895f61e3a2abf2058ee68efba",
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}