{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdc3a5df8a0c77880df827f6c5659f8eefa47ebeb4e7c1828a2a4a6633855d7d1",
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}