{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbc6959dbd35c02f40b9793b4d8636e060f28786018ff33098897879f5f3eff9b",
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}