{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4a41c5b7d34e77e6d2cca35d8f3188afbc4080d92c8223539f09f615d95e13b0",
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}