{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4b5ae9b4dcbbbf2e79968b92492864e5308455394c235b6b9c71703645b10c5f",
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}