{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4e1c6f5a981364397713bac59f94903425a08b58e9e5508a0edc1ad77055edb0",
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}