{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2c952c4e490aa96a02b17adee2dfb8f73c4563a86ddd3bc3274905f2cda4e3f4",
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}