{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7e0ae4d94b602ee62aee9edc83fb232961db1f67522f1873e3844ba552131e3c",
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}