{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0e69fbd7a3e24ee4e91fd33c492d05e36933e066f04adc9a8b9d862b545e8236",
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}