{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x306ae7ec7e7672e01c3c355ebf9b9d884d498887aa97e8182756861f2de93d7c",
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}