{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4c211c66a7bd2a4681fbcca92a7bcdd29318b11ee0c62d1262c16c4f8bcbacd9",
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}