{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa693d3c48bc9d5b23234416d0be6782fac9e59648f41b5c1d6c145b4b87d8dd7",
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}