{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x59b64254a0f51982e61daa689962e32ae35d09f856612198b5fd595a2726a28b",
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}