{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0b9b5bc43322d83bc8d8f376678f487f5877243881c25184c6bb3c1c64318b77",
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}