{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3ae4a65e4bcfe537665e6cfa136189f66a4a4f408ddf7d0d5915e5700b62d378",
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}