{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x284c5092f450e08fed76a02361b82ea1251bdd876d90d791994a397604fafb41",
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}