{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x35dfb83e60d54851096e693192068fd25a516c4d71c4e491c4e37c2e4fcb5fec",
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}