{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x12e779e3dc1b0cf3b9373f2334ec80d4ae85eb7fd3a14e26e91cdeabe72ec091",
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}