{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5fa7c73bba93ec0b2c5b25492613baf41e3f11861ce1e31e3684ff8231b1dbdd",
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}