{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x117d1fc3cacf53704530e178aaf9bd244a02ef6872652fd219a966c4d53a2d7a",
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}