{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb85ef46687a4ab70b2cc5e8a9b1ff6f1965d99ed3778f5cdb8bf90baf000664c",
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  }
}