{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x85410ab922e9452a4ec1b811ec42b9138675ce3fc3255ddb1f484c479c4a8381",
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}