{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x12a39d8c22beae6b5f04147ab89a6e1d97e239baff2104e392e29d5ad7fba9f9",
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}