{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7d9b96abe27af579f712c08d719da646623fe2de520bc93de5135747a057e920",
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  }
}