{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbf4e465192247f002c6e75d5dc4acf1057efa507766c2f5b152966d9ff5d58de",
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}