{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1fab2ba33593814eb4b2a127f00181886c4af61d94ae4ecf8dc4c80033387b47",
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}