{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x46fca5ec8e92385068a0175b3f6adc6521573c4fb26f4c7ccfe6dcf5e08b36b1",
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}