{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5f12ec2f0cb3bb76aeb5bfcbbd57fb2e7bd793943e5150266439f06f993c9da7",
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}