{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1e25f9a5466732de18208b12c04ae925a78c7967b27c57b938ef8fa259eac6f5",
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}