{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5b88b3180a0c5e2a04ed492b9aab6a4187f84c1c143dc0a688367e6d4bc2a5ef",
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}