{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xac5765024606f86f0633021d0e389c5675fc14f09a330e7fd8cf6dbd6b8766dc",
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}