{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdd9fbabc0e6ef90d628b84d3545ad832ed1d6cf2b5cceb0144f04bb742de7728",
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}