{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4e87b5663daf94a7f8c6e87d16b3b76261d4b0df0b90723dcc248ad591bbcfa3",
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}