{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5ae4e3a7423db2f85e5acd858fdad5aa08a5baf9b956fe6c923141f86cefeb96",
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}