{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x04401f8c8ba73c66bad95d4713eac9088adc3e79d3337bcfe8e187eee3850609",
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}