{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9a420d3e50fe8c43e4234b356f3ce65cba157314f738c5f6e87a767bd3318fa0",
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}