{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa9e0623e68a9b05ba7eaa2b6c96014f1c399b4bff4908757f8da8e944821310f",
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}