{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe6d3f6a7eb0a300563dfd029a675dcb7e1b793d1ff2d0ae8a3f2b101cb8bdbe2",
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}