{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4b302c9d0ec79f17053b3fa84ee3b3fcb6fec8ef4d5a0ef096c65de4bce82377",
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}