{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0ea22cd4abd3cbb1ac55ecd2dda7bd7e418269b7f55a99f240ecdc97cc94e297",
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}