{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0f757e061f63dd6f9cdee4b765f3ad4ae7e7c656d844371962daa29e4505a09c",
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}