{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf7212c1fecf042a6d42e4f07b4a07b61cc06a0c8204dc7c2a0d9d80923e5cc59",
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}